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Small silver 2.5 inch SAS hard drive with hot-swap tray

DELL

DELL FW0MC 300GB 2.5" SAS 10K 12Gb/s internal hard drive

SKU CH-V99Z-9M7JA

A 300 GB 2.5 inch SAS hard drive spinning at 10000 RPM with a 12 Gb/s transfer rate and hot-swap tray

  • Total capacity300 GB
  • Interface typeSAS 6Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Rotational speed10,000 RPM
  • Mean latency6Gb/s
  • 300 GB capacity stores more data
  • 10000 RPM spindle delivers faster access
  • SAS 12 Gb/s interface enables high throughput
  • 5 inch form factor fits dense bays
  • Hot-swap tray allows drive replacement without downtime

Dell 300 GB SAS 10K drive

This Dell FW0MC drive provides 300 GB of storage in a 2.5 inch form factor. It spins at 10 000 RPM and uses a SAS interface rated at 12 Gb/s. The unit is supplied as a bare drive with a hot-swap tray. It is intended for servers or storage arrays that accept 2.5 inch SAS drives.

SAS 12 Gb/s interface limit

The drive communicates over a SAS link rated at 12 Gb/s. Actual throughput will not exceed the capability of the host controller or backplane. Cable length and signal quality also constrain sustained transfer rates. Performance scales with the slowest component in the SAS chain.

Check SAS controller and bay compatibility

Verify that your system has a SAS controller or RAID card that supports 12 Gb/s operation. Confirm the chassis provides 2.5 inch hot-swap bays with the correct SAS backplane connectors. Ensure firmware and driver versions recognise the drive model. Power and cooling must match the drive's 10 000 RPM rating.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $42.99
Cheaper than about 84% of the 4,938 comparable items (median $107.99).
Total capacity 300 GB
Lower than about 88% of the 2,372 comparable items (median 2 TB).
Price per TB $143.30 per TB
Pricier than about 71% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameDell
Model name400-AJOS
Total capacity300 GB
Performance
Rotational speed10,000 RPM
Mean latency6Gb/s
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor2.5 in (6.35 cm)

Questions about this item

Should I pick the 300GB 10K SAS drive or a larger capacity model?

The 300GB 10K SAS model suits workloads that prioritise low latency over raw space; choose a higher-capacity drive only if you need more storage volume.

What does the 12Gb/s transfer rate deliver in a real server?

The 12Gb/s SAS link moves data at up to 12Gb/s when the controller and backplane both support that speed; actual throughput depends on the rest of the I/O path.

Which SAS standard does the drive use and what does it cap?

The drive uses a SAS 6Gb/s interface, so the connection is capped at 6Gb/s even though the drive itself is rated for 12Gb/s transfer.

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