$160 per 4 gig DDR2 module. That's why higher than 8GB is unsupported and companies, like Crucial, that make RAM, will tell you the highest is 8GB. In fact, I think all three can run the Core 2 Quad, which would be the preferred CPU. I want to upgrade my processor to the Core 2 Quad Q9650. Espero ter ajudado. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Ultra Small Form Factor) - FREE US Delivery. This is from the 760 manual in Dell support. With 1333FSB Likely the ram will clock down to 800MHZ aka PC2 6400. 5783 05-02-2017 18:00 PM upgrading RAM on OptiPlex 755 with 0GM819 motherboard Good day Sirs, I have Mini Tower OptiPlex 755 with 0GM819 motherboard. Perhaps, a ssd and maximum memory is only 8 GB's. Maximum memory - 128 GB; Minimum memory - 4 GB; Memory per slot - 4 GB, 8 GB, 16 GB, and 32 GB; Number of slots - Four DIMM slots; Type - Dual. An SSD hard drive should work and Crucial sells some they claim compatible with the 755. 8GB ram ddr2 @ 800Mhz will work, as I’ve upgraded from 4gb in my 755 DT. $5999. Addressing Memory Configurations. Tengo una Dell Optiplex 755 que de fabrica viene con 2 Gb. All of these can accept 8GB of DDR2 except the crippled G31 is unable to remap PCIE/APIC memory to above 4GB so can never actually use more than 3. The supported RAM configurations are: 2 GB, 4 GB, 6 GB, 8 GB, and 16 GB. My Optiplex 755 (desktop) came with 2 1Gb 800MHz sticks and I'd like to add another 1Gb, i. Dell. From some discussion boards, I understand that I could. Computer Specs: Processor: Intel (R) Core (TM) i5-2400 CPU @ 3. 4. The Mr Memory upgrades below are 100% Compatible for your Dell. 81. Good day Sirs, I have Mini Tower OptiPlex 755 with 0GM819 motherboard . Max memory for Dell Optiplex 3010 ? Ahazuerus; Jan 29, 2023; Memory; Replies 10 Views. 0 GHz max. Buy Now Payment Secure transaction Ships from A-Tech Components Sold by A-Tech Components Returns Eligible for Return, Refund or Replacement within 30. Dell OptiPlex DDR3 Memory Compatibility Guide Reference the DDR3 Memory Compatibility Guide for the Dell OptiPlex series. normally on a OptiPlex 755 (and you need to confirm this by looking inside the case) the system has 4 slots for ram, ands 8GB is the highest in 99% of cases for 775 CPUs' thus DDR-800/667 being the two possible speeds used on the said motherboard. Max System Memory: 8 GB: Installed Memory: 2 GB: Memory Socket: DIMM: Memory Technology: DDR2 SDRAM: System: Drive Controllers: Serial ATA: Interface Connection:Here's what I know about my pc: 223-0731 : OptiPlex 755 Desktop Energy Smart,Core 2 Duo E6550/2. It appears that you already have the maximum amount of RAM. 66GHz Kentsfield Quad Core Q6700, 8MB, 1066FSB, G0. 1660. Manufacturers. Starting at CAD $599. (I think this is due to newer cards being out of spec. 3. $37. Dell™ optiplex™ 755 technical guiDe MEMory Your computer supports a maximum of 8GB of memory when you use four 2GB DIMMs; however, 32-bit operating. Replaced a L305P-01 (305W) PS and upgraded the memory to 4Gb. At the technical guide (thank's for link to SpeedStep) I didn't find any information about supported max. OptiPlex 210L OptiPlex 210Ln OptiPlex 3000 Micro OptiPlex 3000 SFF OptiPlex 3000 Tower OptiPlex 3010 Desktop OptiPlex 3010 Mini Tower OptiPlex 3010 Small Form Factor OptiPlex 3011 All-in-One. Connect the power cable. gpu can safely upgrade to low profile TDP max 25W. 00 Used;OptiPlex 755 upgrade. Helpful. 89 $ 64. Crucial shows this as requiring 1. 2 x 512Mb. The manuals all direct me to a label on the chassis, and there is one for Vista, but not XP. . #3. Dell OptiPlex 755, like many other OptiPlex in this era, uses BTX standard (Inverted ATX), so no ATX and ITX family motherboards (even Micro ATX or Mini ITX) will FIT! Max RAM is 8GB (4x2GB). I have found a potential Hynix module (HMA81GS6DJR8N), but there are some differences between. I have just bought a very similar, used Optiplex 755 DT on eBay with a similar CPU. I'll buy my first Dell computer, which is a Dell Optiplex 755 Small Form Factor. 5" (SATA) SSD Interface: SATA 3. 33GHz. Sep 15, 2016. T. 0 (6Gb/s) Show full device specification. responsiveness and support of 64-bit computing" DELL™ OPTIPLEX™ 755 The new Dell OptiPlex 755 offers a compelling, versatile solution that can help you meet evolving business needs with the right technologies and services. N650J 2. $3163. So my system has the following: A07 bios installed. 4. GPU - NVIDIA GTX 970. I just bought an Optiplex 7010 from Dell Outlet, and have a question. Please note: If you are upgrading your Dell Desktop/Workstation to more than 4 GB, you will need a 64-bit operating system to take full advantage of this capacity. 9 out of 5 stars based on 14 product ratings (14) $74. 13. DellThe ASUS GT740-2GD3-CSM 2GB is a 75W card so it does not need an AUX power connection and works fine with 305W Tower power supply. my755. DDR4-2666 • CL=19 • NON-ECC • UDIMM • 288-pin • 1. My Optiplex 755 Gaming / HTPC setup is now complete. Lifetime Warranty. 20-07-2022 11:00 AM. 89. If you upgrade the CPU, consider an SSD and max the RAM if not already. Each memory slot can hold DDR2 PC2-8500, DDR2 PC2-6400, DDR2 PC2-5300 with a maximum of 4GB kit (2GBx2) per slot. Guided selection of your system. You Never get this ram back. Optiplex 7040 Spec Sheet I think you meant 7020 and not 7040? Up to you. If you're running Win 7 Home Premium, 32 -bit, then the limit is 4 GB of RAM. This Dell Computer can take up. Dell OptiPlex 780 (16) Dell OptiPlex 755 (16) Terrible average bench. 91 Reviews. Small Business. 66GHz Yorkfield Quad Core Q9400, 6MB, 1333FSB, R0. Max Memory. Available with top-of-the-line processors, generous memory options, native support for dual high-resolution. Memory Type: DDR2 PC2-5300, DDR2 PC2-8500, DDR2 PC2-6400, DDR2 (non-ECC) Maximum Memory: 8GB Slots: 4 Each memory slot can hold DDR2 PC2-5300, DDR2 PC2-8500, DDR2 PC2-6400 with a maximum of 2GB per slot. However, is says the minimum watt supply requirement for this GPU is 400 Watts. Exact same specs as the shipped version, but the system will not accept it and will not boot. Learn how to set up your Dell OptiPlex 755 desktop computer with this comprehensive guide. Shop Amazon for A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade and find millions of items, delivered faster than ever. Here's the Intel specs on an Intel motherboard with a H61 Express Chipset (same as OptiPlex 390) - Max Memory 16 GB using 2 DIMMs (in other words, 2x8GB). I would like to upgrade to 8 GB by. OptiPlex 3090 Ultra Form Factor. Alienware 15 R3 Geniune Dell battery. Maximum memory: 8GB Standard memory: 1 or 2GB removable All compatible upgrades DRAM Internal SSD External SSD Internal SSD for: OptiPlex 755 Series (Desktop Mini. Dell Part Number: 0GM819 GM819 JR271. 93 GHz, BIOS is A16 8/16/2013, installed memory is 4GB. have a Dell Optiplex 755 MT that was purchased as a barebones w/o a processor, memory or hd. Unless you bought it already, I suggest A-Tech RAM. GT 710 yes. N652J 3. I'm trying to donate this to a charity, but I want to do so with a clean Windows installation. it can be the difference between DDR2-667, and DDR2-800. 2V • 1Rx8 • PC4-21300. Specs say that a Core2Quad Q8200 isn't supported, but I have one running in my 755 right now. Crucial Scanner. Also for: Optiplex. 0 GHz, 12 MB Cache, or up to 2-core Intel Core 2 Duo E8600, 3. . Replacing the. 3: then push power button with line AC cord not connected. Table 4. Rp325. This item: 8GB 4X2GB Dell OptiPlex 755 Series Desktop/PC DDR2 PC2-5300 RAM Memory. the modern intel motherboards are almost all ATX (or proprietary). Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS Compatible with: Dell OptiPlex 210L 320 330 740 745 755 Maximum Memory: 4 or 8GB Expansion: 4 or 2 Sockets. OptiPlex XE Technical Guidebook Page 2 OVERVIEW . 2 device into a M. BTW, some will tell you the page file will wear your drive faster, technically correct, practically irrelevant. Please choose your Dell Optiplex Computer model: OptiPlex 160. SAMSUNG 870 EVO SATA III SSD 1TB 2. KingstonMemoryShop stocks memory upgrades for your Dell OptiPlex 755 DT/MT/SFF Desktop to boost performance and capacity. It has a Core 2 Quad q6600 CPU in it, with 2 gigs of ram, and a 275w psu. 19-11-2012 09:00 AM. Hi, I've got an Optiplex 755, 0pu052 motherboard, currently running 2 1 gb ddr2 667 mhz ram sticks, windows xp pro 32 bit, and would like to increase to 4GB the limit of 32 bit. System Model: OptiPlex 755 BIOS: Phoenix ROM BIOS PLUS Version 1. Thank u for reply So what kind Of Ram Matches this computer ? i see some people using a 12gb ram In dell755KVR800D2N5K2/4G is HIGH Density Ram. Hi, I recently purchased a new Dell Optiplex 755 with an E6750 2. Tengo 4 memorias ram de 1gb en mi optiplex 755, quiero aumentarla a 8GB. DDR2 PC2-3200/4200 is NOT Supported in ANY configuration. The fact that fan eventually quiets down speaks against bad thermal paste. Business. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. Memory Type: DDR2 PC2-8500, DDR2 PC2-6400, DDR2 PC2-5300, DDR2 (non-ECC) Maximum Memory: 8GB. All Mr Memory recommended upgrades are 100% compatible with your Dell. A-Tech 8GB Memory RAM for Dell OptiPlex 7060 SFF - DDR4 2666MHz PC4-21300 Non ECC DIMM 1Rx8 1. I'm unsure if your motherboard is capable of overclocking, but most likely, it is. Tengo 4 memorias ram de 1gb en mi optiplex 755, quiero aumentarla a 8GB. Os módulos de memória suportados 256 MB, 512 MB, 1 GB, 2 GB ou 4 GB não-ECC4GB. Max Size:If you have Windows, System Info in the Control Panel will tell you total use of the RAM. I previously owned a Dell Dimension E521 that consisted of a AMD Athlon 64 5000+, 4 GB of RAM, and a HD 6670. These are the Quads we validated -. Some compatible GPU's: 30w GT 1030 GDDR5. I added 250 gb hard drive 2gb memory and a E8400 Dual Core processor. 1 with 8GB. 33GHz 4M,VT,1333FSB 330-1129 : Shipping Material for System Single Hard Drive Neo Desktop Dell OptiPlex 365-0257 : CFI Routing SKU 366-1551 : Custom Project Fee for ESLH 313-5426 : 16X DVD+/-RW,SATA,Dell OptiPlex. Your most impressive computer set-up. System CPU Type; N/A: Memory Warranty; Lifetime Warranty. $270. Is it possible to upgrade my Q6600 cpu to a Q9550 / Q9650? I know that there is no Q9550/Q9650 on the Compatibility list, but i've seen somebody putting that CPU. Unsolved. When I start it up I get the Dell screen and able to select F2 setup and get into the bios setting. Only one thing changes RAM speed. the maximum RAM it supports is only 8GB. What type of memory does the Dell Optiplex 755 Desktop Computer take? The Dell Optiplex 755 Desktop Computer takes the DDR2 PC2-5300 667MHz, PC2-6400 800MHz DIMM. 4 out of 5 stars 14 $64. GX620= Pentium D or Pentium4 with 4 GIGS max DDR2 RAM = $100 or less in many places. pretty simple way to make a fast computer even faster. I know this is post is 6 months old but I did a lot of looking and due to height and width limits of 755 DT the maximum capacity card that I could find (and they're getting scarce) if you want to be able to close the cover is the AMD Radeon HD 6450 LOW PROFILE, SINGLE WIDTH with DVI and Display Port interface ONLY. I really don't know that you'll notice a difference in RAM speed between 667MHz and 800MHz simply using the PC. 2 slot supports 4X. 8GB KIT (4 x 2GB) for Dell Optiplex 740 745 745c 755 DT/MT/SFF 755. Most dell computers have code in the bios firmware that checks on the memory brand, and sets a flag, if non crucial memory is detected. ? o tendré complicaciones, como le aumento la memoria Ram. Description Values. All other brands will fail the memory check at boot. 5" bay : Additional information : 9350 9360: 1: 1x M. If an HDD was loaded in with BIOS in ACHI mode, it won't boot in Legacy mode, and vice-versa. Specs: DDR2 PC2-8500 • CL=7 • Unbuffered • NON-ECC • DDR2-1066 • 1. You're welcome. Device Management. Kingston high quality Dell OptiPlex 755 DT/MT/SFF Desktop upgrades. . Question Maximum number optical. , whats the max i can go and what are the specs ? i have Hynix 4GB DDR2 667 MHz PC2-5300F ECC 2Rx4 CL5 1. 6" Laptop-#B24. 2. It's an Optiplex 755 SFF with windows 10 64bit, so I'm going with 8GB ram (2 x 4), an SSD in place of the old HDD. Minimum of a 400 Watt power supply. unfortunately not possible if you want to use the 755 MT case which is BTX and only accommodates BTX motherboard. 3 Robust mainstream desktop designed to meet your needs, now and in the future The new Dell OptiPlex 755 offers a compelling, versatile solution that can help you meet evolving business needs with the right technologies and services. That's why higher than 8GB is. If I just move my old hard drive, RAM, video card and tel-fax modem card into the replacement Opti 755, will it work? I did this once before, six years ago, and I recall that this involves msoobe. 8 Gb/s (DDR2 800 dual 6. Dell Optiplex 755 specs, deals, and users reviews. (PC2-5300U) 667mhz. Remember, chances are mixed RAM won't work in a 780. 2V 1Rx8 288-Pin UDIMM Desktop RAM Memory Module other variants of Dell Optiplex 755 allow for 8GB maximum RAM, while Dell Optiplex 780 allows for up to 16GB RAM. 2. 5 out of 5 stars 15 Yes, crucial brand ram from genuine micron factories is about the only memory that will ever work in a dell computer. Connect the display to the port on the discrete graphics card. 1 with 8GB. - RAM tests include: single/multi core bandwidth and latency. 8. 2 slot : Parts needed to install a M. This system rating = 2134, 2D=482, 3D=1872- quite. 0. Memory modules supported. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. 35 V operation for memory. 0 (6Gb/s) Show full device specification. 5GB will be set aside for the OS. Hello, I'm planning to upgrade my OptiPlex 755. OptiPlex 755 User's Guide - iAMT. $28. Dear Dell Users. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. You cannot have 16 gig in USFF models or any model with only 2 Ram Slots. and I want to upgrade my RAM in case of use optimally FSB (MHz). This fault usually occurs about once per week. 21. DELL™ OPTIPLEX XE . 90 Reviews. I know the maximum is 8GB, but would this work? I would like 8GB but my budget isn’t in heights for this older system. 4. CN698617CL07F0. Can anybody clearify this Statement from the product brief: "Delivers up to 12. 667-MHz or 800-MHz DDR2 SDRAM. Dell Optiplex 780 mt ram upgrade Hi I have a option of getting a Dell Optiplex 780 mt from a good friend of mine with 8GB of ram 500GB hard drive and Windows 10 Pro I would like to upgrade it to 16GB of ram the max it supports I have a HP Compaq DC5800 that's getting old and hard to get parts for and buying a new computer. +. The CPU upgrade is the area I'd appreciate some advice. If you are using a 64-bit operating system, your computer will support a maximum of 8 GB (2-GB DIMMs in each of the four slots. The max memory this has is 8192 mb. Model Comments: Machine name: Dell Optiplex 755 MiniTower CPU options: - Intel Core 2 Quad (1066MHz FSB) - Intel Core 2 Duo (1333MHz FSB) - Intel Core 2 Duo (800MHz FSB) - Intel Pentium (800MHz FSB) - Intel Celeron (800MHz FSB) Chipset: Intel Q35 Express Chipset HD Bus: SATA II (7200RPM) Front. 22. The computer is a Mini tower dell optiplex 755item 3 DELL 0DR845 OptiPlex 755 MB with Dual Core E2140 skt 775 1. Crucial. I used the 16GB Corsair 8 GB DIMM 1600 MHz PC3-12800 DDR3 Memory (CMZ16GX3M2A1600C9). Above Optiplex's are a little less old. With 2 X 4 gig you get 7. Memory issue on Optiplex 755. $3727. If you plan on getting the 6770 inside th new 780, you'll most likely see same performance. Dell Optiplex Desktops Support Forum. 0. F886J 2. The Dell OptiPlex 755 gives you advanced security options to help keep your data secure real-time. 4. Dell ships non-ECC 184 pin SDRAM memory only. 8GB maximum = Four 2GB DDR2 800MHz memory modules. com. I'm impressed you got an Optiplex 755 to take an SSD; though SSD's aren't listed in the manual. 2 device into a M. 6: POWER cord back now. So far I've salvaged the E521 and upgraded the Optiplex to 6 GB of RAM, slapped my. Kisianik, you said a 750 ti would be appropriate for Dell Optiplex 755. For 4GB, the best option is a 2x2GB matched pair, but the Mobo may not except 2GB RAM sticks. 99. A09, 3/11/2008. 2 slot : Parts needed to install a M. 29-08-2020 12:00 PM. I've read in a few places that if any of the versions of Windows are on 32-bit, they only use a max of 4GB. Backed by a lifetime warranty Kingston memory. 48 delivery Jan 9 - 12. It might not be obvious to you yet, but it's pretty obvious the 755 can't take i7's, AMD Ryzen, and etc. The maximum amount of memory you can install into the Dell Optiplex 7010 SFF is 32Gb. Free delivery and free returns with a 100% money back guarantee. The specs scall for a maximum of 16GB total yet states that 16GB per slot is compatible. The only way we got it to install was by turning "OS Install" option on. 11. CPU; Core i5-3470 Intel $149 Bench 63%, 223,595 samples:. Dell Optiplex 755 Full-Tower Desktop Specs and Details. Why does crucial recommend a higher maximum ram limit for my system than the system manufacturer? At Crucial®, we ensure that the higher amount of RAM is rigorously. 8 V. SO I've got an Optiplex 755 (if you cant tell already) that I'm working on upgrading to the most a dell possibly could be. There may be different Versions of this Model (e. Isso é algum problema de configu. Tengo una Dell Optiplex 755 que viene de fabrica con 4Gb de RAM de 667MHz, pero tengo entendido que esta solo soporta hasta 8Gb de RAM con una frecuencia de 667 MHz a 800MHz, entonces yo se la quiero mejorar a 8 Gb pero no se cual comprar ya que ya he probado con unas memorias ddr2 de 800MHz pero no arranca la. I've taken a humble Optiplex 755 Desktop chassis, upgraded the RAM to 4gb, upgraded the HD to a 60gb OCZ Vertex 2E Solid State Drive, added a PCI-E full-height riser, and upgraded the graphics card to the maximum possible that would fit into the case. I would recommend minimum 1,5Gb RAM, minimum Windows 7 (that still supports latest browsers versions) and Pentium 4 with hyperthreading support (P4 650 for example). I obviously want to max it out, but dirrerant site such as Kinston and Crucial give differing amounts as to the maximum you can install. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with systems using 4th Generation Intel (Haswell) processors, which exclusively support 1. 4. Personally I would go with ddr3 because the 8 gb sticks are. 0 1 x DVI: Operating System: Windows. Your OptiPlex 755 supports these operating systems: Change Product. 89 $ 64. Model M323R1GB4BB0-CQK-0L. unfortunately not possible if you want to use the 755 MT case which is BTX and only accommodates BTX motherboard. *Important Information: System Memory and Graphics: Significant system memory may be used to support graphics, depending on system memory size and other factors. . 2 posts · Joined 2008. 30w-47w Quadro's P400, 600, & 1000. Base GPU Frequency. 6 / 16. Low Cost Delivery Low Prices 100% Safe & Secure. In reference to processor upgrade, Dell has only tested Optiplex 755 with the Intel Core2 Quad, Core2 Duo, Intel Pentium dual-core, Intel Celeron processors based on Intel's 775-pin (LGA775) socket. The LED light turns on for 3 seconds and then turns off. 2. Starting at CAD $949. Typical of Dell business machines, they try to keep things as consistent as possible so that moving to a new desktop line doesn't make. Search. . bradthetechnut. $4. I checked the system resources and it showed the correct amount of RAM. Dell Optiplex 755 Series GM819 Motherboard. This computer supports maximum memory speed of 800MHz DDR2 SDRAM. 1, or 2. Ao your looking at DDR2-6667 or DDR-800mhz, 4x2GB DDR2 ram NON ECC you will need. If you are using a 32-bit operating system such as Microsoft® Windows® Vista®, your computer will support a maximum of 4 GB of memory. Apr 5, 2013. McCandless Twp, Pittsburgh Google Pixel Watch 2. Going one step further Crucial RAM states that 64GB of RAM total is compatible as per their site here. 25GB of memory, even with a 64-bit. The upgraded system was a Dell 755 MT. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade. Mmansueto. 0. Dell Optiplex 7010 SFF - GPU, PSU, RAM, HHD & SSD Upgrade. OptiPlex 3090 Micro. To get the max out of my 755 MT: CPU = C2Q Q9650; RAM = 8GB; OS is on a Crucial SSD. 10 GHz (2nd Generation) Installed RAM: 8 GB (7. I have an Optiplex 760 x-64 running Win10 Pro that's using up 71-85% of memory with minimal applications (email, Adobe Reader, Win Office, etc. Home > Manufacturers > Dell > Desktops > Dell XPS > XPS 630i. ¿. 89The specs say max ram is 8GB, but there's plenty of posts showing folks with 12GB or 16GB RAM. The 780 has socket type LGA775. 2 Posts. Optiplex 5000 Small Form Factor. pretty simple way to make a fast computer even faster. By tech_guy in forum Hardware. 66GHz Yorkfield Quad Core Q9400, 6MB, 1333FSB, R0. 35 V operation for memory. Often I've found those "maximum" specs to be based on the largest dimm available at the time of publish, and not necessarily a system limitation. 512 MB, 1 GB, or 2 GB non-ECC. 5 volt memory. Enter model or choose from the list below. Crucial 8GB 4x2GB For Dell OptiPlex 740 745 755 760 PC2-6400 DDR2 800Mhz Memory. Card. The memory will run at a lower PC2-6400 (or PC2-5300) speed on such a system. I checked each stick, and individually they work, just not as a pair. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade 4. 6300, 667MHz made by pacific sun at frys electronics in downers grove, il, total cost, $34, much faster on single/multiple window apps and web searching. Posts / Dell Community / Desktops / Optiplex Desktops / Dell Optiplex 755 RAM issues . 0. If you put 2 sticks 800MHz in your 745, then a stick with 667MHz, the system will operate all the RAM at 667MHz. My desktop is an Optiplex 755 and it has 4 gigs of memory and running on Windows XP. . In theory, it can address 16 Exabytes of RAM. View PDF. 765* 6. The i5-2400 supports 32 GB max, according to Intel, so there's no 8GB total RAM limit with the CPU. Community Dell. It has 4 slots so I can install 4 2 gb sticks. I'm looking to upgrade the CPU on a Dell Optiplex 755 Desktop system. DDR3-1600MHz can be used & what I posted above, but. I also tried other brand (Kingston with. 0 ports. If you're running Win 7 Home Premium, 64 -bit, then the limit should be 8 GB of RAM in this system. A very short, very. That's when your PC will fly. The actual. It has a E2160 1. These are the Quads we validated -. While they can take HDD's in the TB's, the max listed for SSD is 256 GB. 25-inch drive bay 3 3. Search. BIOS. 0Ghz. These have Dell extra features like ambient temperature sensors, and 4 led diagnostic displays. Example:11-10-2014 06:00 AM. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 7020 (Mini-Tower) - FREE US Delivery. Small Business. 667 MHz 240-Pin. 50 $ 13 . This is from the 760 manual in Dell support. I want to expand my RAM to the max 8GB in my Optiplex 755 MT. Effective Memory Clock: 1200MHz; Model #: EAH6450 Silent/DI/1G; Item #:.