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⚡ Upgrade your throwback rig — because classics deserve a second wind!
This 1GB DDR PC3200 desktop memory module from A-Tech features a 184-pin DIMM form factor and runs at 400MHz, offering a reliable speed boost for older systems. Designed as a low-density, lightweight RAM stick, it’s perfect for revitalizing legacy PCs with guaranteed durability backed by a limited lifetime warranty and toll-free technical support.





| ASIN | B00C53H080 |
| Additional Features | Lightweight |
| Best Sellers Rank | #963 in Computer Memory |
| Brand | A-Tech |
| Column Address Strobe Latency | 15 |
| Compatible Devices | Desktop |
| Computer Memory Size | 1 GB |
| Customer Reviews | 4.4 out of 5 stars 173 Reviews |
| Data Transfer Rate | 400 MHz |
| Form Factor | DIMM |
| Manufacturer | A-Tech |
| Memory Form Factor | UDIMM |
| Memory Generation | DDR3 |
| Memory Speed | 400 MHz |
| Mfr Part Number | CT12864Z40B |
| Model Number | CT12864Z40B |
| Number of Pins | 184 |
| RAM Memory Technology | DDR |
| RAM Size | 1 GB |
| Special Feature | Lightweight |
| Voltage | 2.5 Volts |
| Warranty Description | Limited Lifetime Warranty Covering Defects In Materials And Workmanship |
J**3
New Life to old Hardware!
Works flawlessly on my old Gaming PC build from 2006. I stopped using it because it would randomly freeze and it would take forever to recover after it.. I never thought it would have been the dead/defective RAM sticks all this time. Swapped these new sticks of DDR1 PC3200 and it booted up fine like it was yesterday. I highly recommend these if you plan on doing what i did to old hardware. GLHF Rockin' that old school Intel Pentium D @ 3GHz, Intel mATX MB, A-Tech 2GB PC3200, MSI AMD R7 250, Antec 750Watt PSU, Cooler Master Case
D**Y
Vroom
I bought this for my Aunt's computer that believe it or not is still running XP and only had 500MB of RAM. She upgraded to HS internet...finally and was complaining that it was not any faster than dial up and asked me to help. Well, it was her pc. I purchased this. Installed it and viola, she's crusing the web enjoying early 2000 life lol. Hey, for a woman in her 70's she's doing awesome on a computer. She even texts :) So yes this DIMM works like it should and performs exactly as expected.
M**W
pretty good
it was working as expected happy with results installation was easy and didn't have any problems I would defenitly buy another
K**H
Fast & Reliable
This memory was far less expensive than others I had checked into. It is fast and reliable and works well with just about any system or processor. Just as all ram was very easy to install and has been very dependable. I have had zero complaints from my clients.
T**G
works with existing ram
I have a desktop I built many years ago. It has a 478 pin hyperthread processor and 2 gig ram. I started doing video again with a new solid state camcorder not the mini dv one used. I bought 3 gig of this ram and installed it. It works great . I have 4 slots so I have 1gig in each and 512 in the last one. They all work together for a combination of 3512. I wish they would make it in 2 gig sticks .
S**S
The hard disk change was relatively easy (used ACRONIS to transfer data) and worked fine
I bought this memory module to expand same for my old PC (Windows XP , Intel Pentium 4, 1.8 Ghz, HD 40 GB, memory 512 MB ,DDR333 DIMM PC 3200-400) . I also upgraded my hard disk by changing my old Western Digital 40 GB,7200 rpm,3.5", IDE, 8 MB buffer to WD 80 GB(WD 800AAJB model) . The hard disk change was relatively easy (used ACRONIS to transfer data) and worked fine . The Memory Module from A-Tech was useless . The PC didn't recognize it on START and never worked .Instead, I had to buy a used TRANSCEND 1GB memory which worked fine in addition to the old memory of 500 MB .So now my PC has a 80 GB hard disk and 1.5 GB DDR memory . Also , I took my PC to a certified technician but he also could not make the A-Tech work .Maybe the specs are wrong and it's my fault. Thing is this is a low priced item and never bothered to return it or complain As this item is low priced, I didn't bother to return it or complain .
D**E
Great product! Arrived on time
Great product! Arrived on time, worked perfectly with my desktop computer, i added both memory cards that i bought to it. I highly recommend this seller. Just make sure to buy the correct memory card for your computer. As of now, the memory cards are function perfect!
M**L
Inexpensive, and older model memory. Good for the price.
One stick of the 4 ordered was faulty. Also, all sticks were the same manufacturer brand but had slightly different form factors (height, not pin config or length). Some of the sticks were obviously older than others, and age of module may have contributed to the one faulty stick. But the modules were so inexpensive, it was hardly worth sending back the one bad stick. Good for the money and time invested in testing the modules. I would buy again from this supplier.
Trustpilot
1 month ago
1 month ago