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OWC Mercury Extreme Pro 6G 2.5 inch SATA SSD with USB enclosure and toolkit

OWC

OWC YSSD6X2TB 2TB SATA internal SSD

SKU CH-YDMW-82EKW MPN YSSD6X2TB

A 2.5-inch SATA internal SSD with 2TB capacity using 3D NAND and a DRAM-less design, bundled with a USB 2.0 enclosure and a five-piece toolkit for drive upgrades

  • Total capacity2 TB
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Intended useConsumer
  • NAND flash type3D NAND
  • Cache memoryNo DRAM (HMB)
  • 2TB capacity for large media libraries
  • 1920GB usable space after redundancy allocation
  • SATA 6Gb/s interface for broad system compatibility
  • 3D NAND memory for reliable endurance
  • 5-piece toolkit included for straightforward installation

2TB SATA internal SSD with enclosure and toolkit

This bundle combines a 2TB 2.5" SATA III solid-state drive, a USB 2.0 drive enclosure and a five-piece mini toolkit. It is aimed at consumers who want to upgrade a laptop or desktop and then reuse the original drive as external storage. The drive uses 3D NAND flash and a Silicon Motion SM2246EN controller with no DRAM cache, relying on host memory buffer support instead.

Sustained write behaviour with real-time redundancy

The controller allocates 128GB of the 2048GB total flash to real-time data redundancy and error correction, leaving 1920GB usable and 1860GiB formatted. Native command queuing handles up to 32 commands, and the drive is qualified for RAID 0, 1, 10, 0+1 and SPAN configurations, so performance remains consistent during extended multi-drive workloads rather than only in short bursts.

Check SATA port version and USB 2.0 speed limit

Before ordering, verify that your system has a free 2.5" SATA bay and a SATA 6Gb/s, 3Gb/s or 1.5Gb/s port to match the drive's backward-compatible interface. The included enclosure connects via USB 2.0 mini-B, so external transfers will be limited to USB 2.0 speeds regardless of the drive's internal SATA capability.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $363.99
Pricier than about 73% of the 1,994 comparable items (median $180.49).
Total capacity 2 TB
Higher than about 70% of the 1,368 comparable items (median 1 TB).
Price per TB $182.00 per TB
Pricier than about 55% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Total capacity2 TB
Intended useConsumer
Storage
NAND flash type3D NAND
Cache memoryNo DRAM (HMB)
Ports & slots
Interface typeSATA III
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.23 kg
Package size155 × 112 × 36 mm

Questions about this item

How much power does the 2TB SATA SSD draw during all-day operation?

The drive has no DRAM cache and uses Host Memory Buffer, keeping power draw low for a 2.5-inch SATA SSD.

What else must I own to install this 2.5-inch SATA drive internally?

A free 2.5-inch drive bay, a SATA data cable and a SATA power connector from the power supply.

Will this SATA 6Gb/s SSD work in an older laptop that only supports SATA 3Gb/s?

Yes, the drive supports SATA 6Gb/s, 3Gb/s and 1.5Gb/s, so it will run at the slower speed automatically.

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