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SK Hynix 4GB DDR4 2133MHz PC4-2133P Laptop RAM SO-DIMM Memory HMA451S6AFR8N-TF
Laptop (SO-DIMM) Used DDR4

SK Hynix 4GB DDR4 2133MHz PC4-2133P Laptop RAM SO-DIMM Memory HMA451S6AFR8N-TF

eBay · the_digital_cat

Price

$10.00

4 GB · per GB

$2.50/GB

From our price history · since Oct 2026

Typical price

55% of the 11 Laptop (SO-DIMM) listings this site has logged went for less than this at their best

Typical: $2.50/GB · Lowest ever logged: $1.75/GB on Oct 11, 2026

Every time this tracker refreshes, the site records every listing it finds. These numbers compare this listing to all of them, each at the best price it reached. It's our own data, not copied from another site.

Right now · #4 lowest $/GB of 8 Laptop (SO-DIMM) listings in the tracker today · 29% below today's median ($3.50/GB)

Note: The seller does not accept returns. eBay Money Back Guarantee still covers items that arrive not as described.

Specs

Capacity
4 GB
Generation
DDR4
Form factor
Laptop SO-DIMM
ECC
No
Brand
SK hynix
Model
HMA451S6AFR8NTF
Speed
PC4-17000 (DDR4-2133)
Kit
1
Registered
DDR4 SDRAM

Listing details

Condition
Used
Fully tested and functional with no errors.
Store
eBay
Seller
the_digital_cat (133 ratings, 100% positive)
Format
Buy It Now
Ships from
Portage, Michigan, US
Returns
Not accepted
Quantity
0 sold · 1 available
Listed
Oct 15, 2026
eBay category
Computers/Tablets & Networking › Computer Components & Parts › Memory (RAM)
Price checked
Oct 19, 2026

Item specifics from the listing

Total Capacity
4 GB
Capacity per Module
4 GB
MPN
HMA451S6AFR8NTF
Memory Features
ECC Memory
Brand
SK hynix
Form Factor
SO-DIMM
Type
DDR4 SDRAM
Unit Type
Unit
Number of Modules
1
Manufacturer Warranty
Lifetime
Item Height
30mm
Number of Pins
260
Model
HMA451S6AFR8N-TF
Bus Speed
PC4-17000 (DDR4-2133)
Unit Quantity
1
Country of Origin
United States
Seller's description

Cheshire Cat Digital SK Hynix 4GB DDR4 Laptop Memory Genuine HP OEM Pull • 2133MHz SO-DIMM • Tested & Working Item Description Up for sale is a genuine, high-quality SK Hynix 4GB DDR4 laptop memory module (Model: HMA451S6AFR8N-TF). This module is an original HP spare part pull (HP P/N: 820569-001) removed cleanly from a working notebook environment, fully verified, and system stress-tested to guarantee flawless plug-and-play operation. An excellent, reliable choice for budget laptop upgrades, system refurbishment, or expanding multitasking capability in compatible mini PCs, small-form-factor devices, and network appliances. Technical Specifications Manufacturer Brand SK Hynix Model / HP Part Number HMA451S6AFR8N-TF / 820569-001 Capacity 4 GB Memory Type DDR4 SDRAM Bus Speed 2133 MHz (PC4-2133P) Form Factor 260-Pin SO-DIMM (Laptop Size) Rank Specs Single Rank (1Rx8) ECC / Buffering Non-ECC / Unbuffered Voltage / CAS Latency 1.2V / CL15 Seller Policy Compatibility: This is a small-outline SO-DIMM module for laptops and mini PCs. It will not fit into standard desktop motherboard slots. Please check your system hardware compatibility before buying. Condition: Pre-owned in immaculate physical and functional shape with pristine contact pin paths. Shipping: Safely wrapped inside a protective anti-static safety shield envelope layer and heavily insulated with bubble cushioning inside a secure mailer pack.

Excerpt in the seller's own words, formatting removed. The full listing has the complete text and terms.

Price history for this listing

First seen Oct 17, 2026 · lowest $10.00 · highest $10.00 · 3 days of data

$11.00$10.00$9.00Oct 17, 2026Oct 19, 2026

Listings from eBay, refreshed every few hours. Prices and availability change fast, so the retailer's own page is always the final word.

Disclaimer: This is a personal tracking tool I built for my own use, not a professional pricing or comparison service. Listings, prices, and outbound links are pulled from third-party sources and can be stale, inaccurate, or broken. I'm not responsible for their accuracy or where a link leads. Always verify details directly with the retailer or source before you rely on them.