1GB DDR PC3200 Desktop Memory Ram Module (184-pin DIMM, 400MHz Low Density) Genuine A-Tech Brand
Bottom line: The 1GB DDR PC3200 Desktop Memory Ram Module Genuine A-Tech Brand ($25.73 on Amazon as of 2026-10-06): True low-density 184-pin DDR PC3200 module - works where high-density sticks fail; main trade-off: 1GB per stick is the ceiling here - no 2GB option for maxing 4-slot boards.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ True low-density 184-pin DDR PC3200 module - works where high-density sticks fail
- ✓ Backed by an A-Tech lifetime warranty, not a 30-day return window
- ✓ 400MHz DDR-400 timing matches Socket 754/939 and Pentium 4 era boards
- ✓ Toll-free technical support included for compatibility questions
Cons
- ✗ 1GB per stick is the ceiling here - no 2GB option for maxing 4-slot boards
- ✗ No CAS latency or voltage spec listed, so tight dual-channel pairing is guesswork
- ✗ Desktop DIMM only - will not fit laptop SO-DIMM slots despite the DDR label
- ✗ No heat spreader, and the listing names no specific chip vendor or IC brand
SpecPicks Verdict
SpecPicks scored 1GB DDR PC3200 Desktop Memory Ram Module Genuine A-Tech Brand using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. A-Tech's memory & ram lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for memory & ram of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 1GB DDR PC3200 3200 DESKTOP Memory Ram Module (184-pin DIMM 400MHz)
- Genuine A-Tech Brand
- Lifetime Warranty!
- 184-pin DIMM 400MHz ***LOW DENSITY***
- Toll Free Technical Support
Full Specifications
| Brand | A-Tech |
|---|---|
| Voltage | 2.5 Volts |
| RAM Size | 1 GB |
| Form Factor | DIMM |
| Memory Speed | 400 MHz |
| Model Number | CT12864Z40B |
| Number of Pins | 184 |
| Mfr Part Number | CT12864Z40B |
| Memory Generation | DDR3 |
| Compatible Devices | Desktop |
| Data Transfer Rate | 400 MHz |
| Memory Form Factor | UDIMM |
| Additional Features | Lightweight |
| Computer Memory Size | 1 GB |
| Warranty Description | Limited Lifetime Warranty Covering Defects In Materials And Workmanship |
| RAM Memory Technology | DDR |
| Column Address Strobe Latency | 15 |
Ready to buy?
1GB DDR PC3200 Desktop Memory Ram Module (184-pin DIMM, 400MHz Low Density) Genuine A-Tech Brand is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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