OWC

OWC Mercury Electra 6G 250GB 2.5-Inch SATA III Internal SSD

Name: OWC Mercury Electra 6G 250GB 2.5-Inch SATA III Internal SSD, 7mm Solid State Drive with 6 Gb/s Speed, Compatable with Mac and PC
Brand: OWC
SKU: B07F2R5Y81

Status: OWC Mercury Electra 6G 250GB 2.5-Inch SATA III… (250GB SATA): Unavailable on Amazon as of 2026-10-06 22:27 UTC. Closest in-stock match (same 250GB SATA): fanxiang S101 250GB SSD SATA III 6Gb/s 2.5"…, $45.99 on Amazon as of 2026-10-07 06:15 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $45.99 🛒 Search eBay for this model

Bottom line: The OWC Mercury Electra 6G 250GB 2.5-Inch SATA III Internal SSD: Hardware ECC error correction built into the controller; main trade-off: 250GB fills fast if you store games or video.

Unavailable on Amazon as of 2026-10-06 22:27 UTC

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

Same 250GB SATA: fanxiang S101 250GB SSD SATA III 6Gb/s 2.5"… — $45.99 on Amazon as of 2026-10-07 06:15 UTC (price may vary).

View Current Price — $45.99

Same 250GB SATA: PNY CS900 250GB 3D NAND 2.5" SATA III Internal… — $45.99 on Amazon as of 2026-10-06 14:15 UTC (price may vary).

View Current Price — $45.99

Same 250GB SATA: Samsung 870 EVO SATA SSD 250GB 2.5” Internal… — $164.99 on Amazon as of 2026-10-06 16:16 UTC (price may vary).

View Current Price — $164.99

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

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

✓ Hardware ECC error correction built into the controller
✓ Full S.M.A.R.T. and TRIM command support
✓ Global wear leveling spreads writes across the NAND
✓ Backed by a 3-year OWC limited warranty

Cons

✗ 250GB fills fast if you store games or video
✗ SATA III caps throughput at 6 Gb/s, far below NVMe
✗ No mounting bracket or SATA cable in the box

SpecPicks Verdict

SpecPicks scored OWC Mercury Electra 6G 250GB 2.5-Inch SATA III Internal SSD using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. OWC'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

Advanced Technology - Featuring the latest flash NAND and controller technology, with built-in hardware ECC (error correction), and support for S.M.A.R.T and TRIM commands for optimal performance and reliability.
Optimized for Everyday Computing - The perfect solution for everyday tasks, this SATA 3 SSD offers global wear leveling for balanced data distribution and static data refresh technology for efficient free space management.
Extended Battery Life - Enjoy standby power benefits designed to extend battery life, making it ideal for laptop road warriors using this laptop SSD.
Compatibility Requirements - Requires a Mac, PC, or drive enclosure with an available SATA drive bay. For optimal performance, a SATA III (6.0 Gb/s) connection is recommended.
Contents - Includes (1) OWC Mercury Electra 6G 250GB Solid State Drive, backed by a 3-year OWC limited warranty for peace of mind.

Full Specifications

Brand	OWC
Color	Blue
Weight	6g
Model Name	Mercury Electra 6G
Read Speed	506 Megabytes Per Second
Form Factor	2.5-inch
Media Speed	[estimated ~500 MB/s]
Model Number	OWCS3D7E6G250
Compatibility	PC, Mac
Built-In Media	Solid State Drive
Hard-Drive Size	250 GB
Mfr Part Number	OWCS3D7E6G250
Number of Items	1
Special Feature	Backward Compatible, Hot Swappable, Native Command Queuing, Portable, TRIM Support
Hardware Platform	Mac, PC
Installation Type	Internal Hard Drive
Compatible Devices	Laptop
Data Transfer Rate	6 Gigabits Per Second
Enclosure Material	Flash-Speicher
Additional Features	Backward Compatible, Hot Swappable, Native Command Queuing, Portable, TRIM Support
Full listing title	OWC Mercury Electra 6G 250GB 2.5-Inch SATA III Internal SSD, 7mm Solid State Drive with 6 Gb/s Speed, Compatable with Mac and PC

Ready to buy?

Amazon shows no buyable offer for OWC Mercury Electra 6G 250GB 2.5-Inch SATA III… at the last check. The closest in-stock match with the same 250GB SATA is fanxiang S101 250GB SSD SATA III 6Gb/s 2.5"…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $45.99