4x 1MB 30-Pin 3-chip Parity 70ns FPM 1Mx9 Memory SIMMs 4MB RAM Apple Mac PC

Bottom line: The 4x 1MB 30-Pin 3-chip Parity 70ns FPM 1Mx9 Memory SIMMs 4MB RAM Apple 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.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-08-13

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 →

Before you buy

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

Non-parity (1Mx9). 70ns speed (compatible with systems needing 80ns). Includes FOUR modules of 1MB = 4MB total. Fast Page Mode (FPM). RAM is professionally tested and CERTIFIED - not just power-on tested - to ensure proper operation.

SpecPicks Verdict

SpecPicks scored 4x 1MB 30-Pin 3-chip Parity 70ns FPM 1Mx9 Memory SIMMs 4MB RAM Apple… using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. Compare with similarly-priced alternatives in the memory & ram category before committing. 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.

Full Specifications

parity	true
speed_ns	70
chip_count	3
capacity_mb	1
memory_type	FPM

Hardware benchmark data

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4x 1MB 30-Pin 3-chip Parity 70ns FPM 1Mx9 Memory SIMMs 4MB RAM Apple Mac PC 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. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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