Cheapest by speed (MT/s)
| Speed (MT/s) | Amazon, per kit | eBay, per kit |
|---|---|---|
| 2133 | — | $40.00 ($40.00 for 1 kit) |
| 2400 | — | $33.90 ($33.90 for 1 kit) |
| 2666 | $58.69 ($58.69 for 1 kit) | $51.90 ($51.90 for 1 kit) |
| 3200 | $59.94 ($59.94 for 1 kit) | $50.60 ($50.60 for 1 kit) |
All 11 listings, single kits first, then multipacks
| Item | Size | Price | Per kit | ||
|---|---|---|---|---|---|
 | Kingston 8GB DDR4 PC4-2400T 2400MHz SODIMM Laptop RAM - KMKYF9-MIB - New 1 kit | 1 kit | $33.90 | $33.90 | eBay → |
 | Dell 8GB DDR4 Laptop SODIMM 2133MHz PC4-2133 RAM Module SNPTD3KXC/8G New Sealed 1 kit | 1 kit | $40.00 | $40.00 | eBay → |
 | Timetec 8GB DDR4 2133MHz PC4-17000 Laptop RAM SODIMM 260-Pin CL15 1Rx8 1 kit | 1 kit | $41.65 | $41.65 | eBay → |
 | Crucial 8GB DDR4-3200 SODIMM Laptop Memory RAM CT8G4SFS832A 1 kit | 1 kit | $50.60 | $50.60 | eBay → |
 | Crucial 8GB DDR4 2666MHz Laptop RAM SO-DIMM CT8G4SFS8266 PC4-21300 Brand New 1 kit | 1 kit | $51.90 | $51.90 | eBay → |
| A-Tech DDR4 RAM 8GB 2666MHz PC4-21300 SODIMM Laptop Memory 1 kit | 1 kit | $58.69 | $58.69 | Amazon → | |
 | A-Tech 8GB DDR4 2666 PC4-21300 Laptop SODIMM 260-Pin Notebook Memory RAM 1x 8G 1 kit | 1 kit | $58.69 | $58.69 | eBay → |
| Samsung 8GB DDR4 3200MHz PC4-25600 (PC4-3200AA) CL22 SODIMM 1Rx16 Single Rank 1.2V 260-Pin Laptop, Notebook RAM Memory 1 kit | 1 kit | $59.94 | $59.94 | Amazon → | |
| Crucial 8GB DDR4 RAM 3200MHz (PC4-25600), Downclockable to 2933/2666MHz Laptop Memory, SODIMM 260-Pin CL22, Compatible … 1 kit | 1 kit | $72.98 | $72.98 | Amazon → | |
 | Crucial 8GB DDR4-3200 SODIMM Laptop Memory (CT8G4SFRA32A) Brand New 1 kit | 1 kit | $74.99 | $74.99 | eBay → |
 | Single 8GB SO-DIMM DDR4 RAM 2133MHz for Laptops - Easy Install & Support 1 kit | 1 kit | $81.54 | $81.54 | eBay → |
Amazon as of 2026-11-06 18:50:00 UTC: Amazon's own price, else its lowest new offer, before shipping and tax (via Keepa); product prices and availability are accurate as of the date/time indicated and are subject to change. eBay: new Buy It Now listings from US sellers as of 2026-11-06 UTC, item plus shipping.
Size comes from the seller's unit count or the listing title; check the listing before buying. As an Amazon Associate and eBay Partner, Sharpest earns from qualifying purchases.