Is the ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC) worth buying?

ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC) averages, so buyer feedback is well-established. Read recent reviews on Amazon to see how it holds up for use cases similar to yours.

What are the alternatives to the ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC)?

ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC) competes with other Memory & RAM products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Memory & RAM category for alternatives.

Who makes the ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC)?

ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC) is manufactured by AddOn. See all AddOn products on SpecPicks via the brand page.

How is the ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC) shipped and returned?

ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC) is sold through Amazon. Amazon Prime members generally receive free 1-2 day shipping; non-Prime orders are subject to Amazon's standard shipping rates. Full returns policy applies per Amazon Associate terms.

AddOn

ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC)

Name: ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC)
Brand: AddOn
SKU: B0000510CF
Price: 24.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-06

$24.99

Buy on Amazon — $24.99 Compare to similar memory & ram

*Price sourced from Amazon.com. Last updated 2026-07-06. Price and availability subject to change.

Bottom line: The ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC) is a niche pick — read recent reviews before buying in the memory & ram category, priced around $24.99. Read recent reviews carefully before committing.

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 niche pick — read recent reviews before buying in the memory & ram category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. AddOn's positioning sits within the broader category mid-tier. 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

✓ 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.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-07-06. Price and availability subject to change.