MemoryMasters

512MB PC133 Memory Upgrade for Apple Power Mac G4 733/800/ 933 168 pin SDRAM DIMM RAM (MemoryMasters)

Name: 512MB PC133 Memory Upgrade for Apple Power Mac G4 733/800/ 933 168 pin SDRAM DIMM RAM (MemoryMasters)
Brand: MemoryMasters
SKU: B07Q46WGT3

Bottom line: The MemoryMasters 512MB PC133 Memory Upgrade is a specs-and-price decision rather than a crowd-consensus one in the memory & ram category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Live pricing on eBay

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-03

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ Capacity: 512mb

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

Manufacturer description

512MB PC133 168 pin Non-ECC Unbuffered 3.3v SDRAM DIMM. Compatible with: Apple Power Mac G4 733/ 800/ 933 .

SpecPicks Verdict

SpecPicks scored MemoryMasters 512MB PC133 Memory Upgrade using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. MemoryMasters'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

Capacity: 512mb
Form Factor: 168 pin DIMM
Halogen Free; ROHS; Warranty: Lifetime

Full Specifications

Brand	MemoryMasters
Voltage	3.3 Volts
Capacity	512mb
RAM Size	512 MB
Form Factor	DIMM
Compatibility	Mac
Number of Pins	168
Special Feature	Lightweight
Compatible Devices	Desktop
Additional Features	Lightweight
Computer Memory Size	512 MB
RAM Memory Technology	sdram
Halogen Free; ROHS; Warranty	Lifetime

Ready to buy?

512MB PC133 Memory Upgrade for Apple Power Mac G4 733/800/ 933 168 pin SDRAM DIMM RAM (MemoryMasters) 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.

See live eBay listings → Check Amazon listing →