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Silver metal enclosure with black plastic front panel and drive ejection button for 2.5 inch drives

LORDWORLD

LORDWORLD flexiDOCK MB521SP-B 1-bay 2.5 SAS/SATA hard drive adapter

SKU CH-48VB-C691K

A single-bay adapter fits a 2.5 SAS or SATA drive into an external 3.5 bay with hot-swap support

  • Hot-swap 2.5 SAS/SATA drives without trays or tools
  • SATA 3.0 6Gbps or SAS 3.0 12Gbps single-channel performance
  • Fits any standard external 3.5 bay for easy integration
  • Full metal chassis with ABS plastic protects the drive
  • Safety ejection button prevents accidental drive removal

Single-bay 2.5 SAS/SATA adapter for 3.5 bays

The LORDWORLD flexiDOCK MB521SP-B installs in any standard external 3.5 bay and accepts one bare 2.5-inch SAS or SATA drive. Its tray-less, door-less mechanism allows hot-swap insertion of 5 mm to 15 mm thick drives without tools or caddies. A front-accessible power switch and a safety-enhanced ejection button protect against accidental removal.

Tray-less hot-swap convenience

Removing trays and doors means a drive slides straight into the metal-and-ABS chassis, cutting swap time to seconds. The flush insertion design shields the drive from dust and knocks while the front power switch lets you spin a drive down before ejecting it. These features matter for workflows that rotate multiple drives daily, such as offline backups or media ingest.

SATA 3.0 and single-channel SAS 3.0 limits

The adapter passes SATA 3.0 at 6 Gbps or SAS 3.0 at 12 Gbps over a single channel. It cannot aggregate bandwidth across multiple drives because only one bay is present. Systems without a SAS controller will fall back to SATA speeds, and the single-lane link caps throughput at the stated interface maximums.

How it compares

Measured against everything we stock in SATA, IDE & M.2 Drive Adapters, at today’s prices. Recalculated every night.

Price $56.99
Pricier than about 78% of the 1,721 comparable items (median $22.99).

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Specifications

Product
Brand nameLORDWORLD

Questions about this item

Does the tray-less mechanism or ejection button on the flexiDOCK MB521SP-B need periodic maintenance or replacement?

The tray-less design and safety-enhanced ejection button have no user-serviceable parts; normal hot-swap cycles do not require scheduled maintenance.

What throughput limit appears first when the adapter runs SATA 3.0 or SAS 3.0 at sustained load?

The single-channel interface caps at SATA 3.0 6 Gbps or SAS 3.0 12 Gbps, so the bus bandwidth is the first bottleneck under continuous transfers.

How much heat or noise does the all-metal chassis produce when a drive runs all day in a 3.5 bay?

The enclosure has no fan; heat dissipates passively through the metal chassis and noise comes only from the installed drive itself.

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