Addlink

Addlink S20 512GB SSD 2.5 inch SATA III 6Gb/s 3D NAND with SLC Caching

Name: Addlink S20 512GB SSD 2.5 inch SATA III 6Gb/s 3D NAND with SLC Caching, Up to 500/450MB/s Internal Solid State Drive (ad512GBS20S3S)
Brand: Addlink
SKU: B0BXXCGLPG

Status: Addlink S20 512GB SSD 2.5 inch SATA III 6Gb/s 3D… (512GB SATA): Unavailable on Amazon as of 2026-10-07 04:29 UTC. Closest in-stock match (same 512GB SATA): Addlink S20 512GB SSD 2.5 inch SATA III 6Gb/s 3D…, $84.44 on Amazon as of 2026-10-07 04:30 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $84.44 🛒 Search eBay for this model

Bottom line: The Addlink S20 512GB SSD 2.5 inch SATA III 6Gb/s 3D NAND with SLC Caching: 500/450MB/s reads and writes revive HDD-based laptops and desktops for faster boots; main trade-off: SATA III interface caps near 500MB/s, far slower than any NVMe SSD.

Unavailable on Amazon as of 2026-10-07 04:29 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives with matching specs:

Same 512GB SATA: Addlink S20 512GB SSD 2.5 inch SATA III 6Gb/s 3D… — $84.44 on Amazon as of 2026-10-07 04:30 UTC (price may vary).

View Current Price — $84.44

Same 512GB SATA: KingSpec 512GB 2.5" SATA SSD — $80.99 on Amazon as of 2026-10-06 12:15 UTC (price may vary).

View Current Price — $80.99

Same 512GB SATA: INLAND Platinum 512GB SSD SATA III 6Gb/s 2.5"… — $93.99 on Amazon as of 2026-10-07 04:14 UTC (price may vary).

View Current Price — $93.99

Original listing (currently unavailable) → Compare to similar ssds & storage

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-07

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ 500/450MB/s reads and writes revive HDD-based laptops and desktops for faster boots
✓ Drops into PS4, PS4 Slim, and PS4 Pro via the 7mm 2.5-inch bay with no adapter
✓ SLC write caching sustains speed through large transfers despite the DRAM-less design
✓ 3D NAND has no moving parts: shock-resistant, silent, and lower power draw

Cons

✗ SATA III interface caps near 500MB/s, far slower than any NVMe SSD
✗ 512GB fills up fast for a modern PS4 or large Steam library
✗ DRAM-less design can slow sustained writes once the SLC cache fills
✗ 2.5-inch SATA form factor won't fit M.2-only laptops or the PS5

SpecPicks Verdict

SpecPicks scored Addlink S20 512GB SSD 2.5 inch SATA III 6Gb/s 3D NAND with SLC Caching using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Addlink's ssds & storage 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 ssds & storage 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

INSTANT SPEED BOOST: Upgrade from a hard drive to SSD speeds up to 500MB/s read and 450MB/s write — boot Windows in seconds, launch apps instantly, and load games faster compared to traditional HDDs
SLC CACHING FOR SUSTAINED SPEED: Built-in SLC write caching maintains responsive performance during large file transfers and heavy workloads without dedicated DRAM
PERFECT PS4 UPGRADE: Standard 2.5-inch, 7mm slim form factor drops right into PlayStation 4, PS4 Slim, and PS4 Pro — no adapters needed, just clone and play
DURABLE 3D NAND DESIGN: No moving parts means shock and vibration resistance, silent operation, and lower power draw that helps extend laptop battery life
WORRY-FREE SUPPORT: Built with quality 3D NAND flash and backed by addlink 3-year limited warranty and responsive technical support

Full Specifications

Brand	Addlink
Color	S20
Model Name	S20
Read Speed	500 megabytes_per_second
Form Factor	2.5-inch, Portable
Media Speed	500 megabytes_per_second
Model Number	ad512GBS20S3S
Compatibility	PS4
Built-In Media	3-year limited warranty
Hard-Drive Size	512 GB
Mfr Part Number	43237-201064
Number of Items	1
Special Feature	Durable, Portable, Shock Resistant
Vibration/Rumble	Yes
Hardware Platform	PC, laptop, playstation 4
Installation Type	Internal Hard Drive
Compatible Devices	Laptop
Data Transfer Rate	560 megabytes_per_second
Enclosure Material	3D NAND Flash Memory
WORRY-FREE SUPPORT	Built with quality 3D NAND flash and backed by addlink 3-year limited warranty and responsive technical support
Full listing title	Addlink S20 512GB SSD 2.5 inch SATA III 6Gb/s 3D NAND with SLC Caching, Up to 500/450MB/s Internal Solid State Drive (ad512GBS20S3S)

Ready to buy?

Amazon shows no buyable offer for Addlink S20 512GB SSD 2.5 inch SATA III 6Gb/s 3D… at the last check. The closest in-stock match with the same 512GB SATA is Addlink S20 512GB SSD 2.5 inch SATA III 6Gb/s 3D…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $84.44