AddOn
ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC)
*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.
AO16C3264-PC133 is an INDUSTRY STANDARD 256MB SDRAM 133MHz/PC133 DIMM memory module for Desktops. This memory module is built to JEDEC Standards. All Add-on memory products are 100% tested and 100% guaranteed to be compatible with the systems it is intended for.
SpecPicks Verdict
SpecPicks classifies ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC) as a solid pick with broad community endorsement in the memory & ram category, based on 57 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. AddOn's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.5★ average across customer reviews
- ✓ 256MB PC-133MHZ UDIMM
- ✓ Backed by AddOn's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 256MB PC-133MHZ UDIMM
- DR COMPUTER MEMORY
Full Specifications
| Brand | AddOn |
|---|---|
| Voltage | 3.3 Volts |
| RAM Size | 0.25 GB |
| Model Name | MEMORY UPGRADES |
| Unit Count | 1.0 Count |
| Form Factor | Desktop |
| Memory Speed | 133 MHz |
| Model Number | AO16C3264-PC133 |
| Compatibility | PC, Mac |
| Number of Pins | 168 |
| Mfr Part Number | AO16C3264-PC133 |
| Compatible Devices | Desktop |
| Data Transfer Rate | 133 MHz |
| Memory Form Factor | DIMM |
Ready to buy?
ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.
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