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Bare 3.5 inch SCSI hard drive silver metal casing

HP

HP 347708-B22 147GB 15000 RPM Ultra320 SCSI 3.5" internal hard drive

SKU CH-H6S1-EF3M6 MPN 347708-B22

A 147 GB, 15 000 RPM Ultra320 SCSI drive with a 3.8 ms seek time for server workloads

  • PackagingBare Drive
  • InterfaceUltra320 SCSI
  • Capacity147GB
  • RPM15000 RPM
  • Average Seek Time3.8ms
  • FeaturesSome motherboards are not compatible with the SCSI interface
  • 15,000 RPM spindle accelerates transaction-heavy workloads
  • Ultra320 SCSI interface delivers 320 MB/s throughput for server arrays
  • 8 ms average seek cuts latency in database operations
  • 147 GB capacity fits mission-critical datasets in 3.5" form factor
  • HP qualification process reduces firmware incompatibility and data-corruption risk

Server storage drive

The HP 347708-B22 is a 147GB 3.5-inch internal hard drive spinning at 15000 RPM over an Ultra320 SCSI interface. It is built for servers that demand high transaction throughput and low latency. The bare drive ships without a tray and carries a one-year limited warranty.

Compatibility check

Verify that your motherboard or controller supports the Ultra320 SCSI interface and an 80-pin connector before ordering. Some motherboards are not compatible with this SCSI interface. The 3.5-inch form factor requires a matching drive bay.

Upgrade path

This drive replaces slower SCSI disks in existing Ultra320 environments where 15000 RPM and 3.8ms average seek time improve I/O response. The capacity jump from 146.8GB to 147GB is minimal, so the upgrade is worth it only when spindle speed and seek performance are the primary bottlenecks.

Punti di forza

  • 15,000 RPM spindle accelerates transaction-heavy workloads
  • Ultra320 SCSI interface delivers 320 MB/s throughput for server arrays
  • 8 ms average seek cuts latency in database operations
  • 147 GB capacity fits mission-critical datasets in 3.5" form factor
  • HP qualification process reduces firmware incompatibility and data-corruption risk

Caratteristiche tecniche

BrandHP
Model347708-B22
PackagingBare Drive
InterfaceUltra320 SCSI
Capacity147GB
RPM15000 RPM
Average Seek Time3.8ms
FeaturesSome motherboards are not compatible with the SCSI interface. Please confirm which interface is appropriate for your system!
UsageIdeal for Servers
Form Factor3.5"
Peso di spedizione2.27 kg
Dimensioni del pacco203 × 152 × 51 mm

Domande su questo articolo

Does the bare drive include a tray or cables, or must they be purchased separately?

The unit is supplied as a bare drive only; the 80-pin SCA connector attaches directly to a hot-plug backplane, so no separate cables are needed, but a 3.5-inch carrier tray is required if your chassis does not already provide one.

Should I choose the 147 GB 15000 RPM Ultra320 SCSI model or a lower-speed alternative?

Select this 147 GB 15000 RPM Ultra320 SCSI drive when the server workload demands the highest sustained throughput and the lowest 3.8 ms average seek time; a slower spindle would reduce both random and sequential performance.

What does the 320 MB/s Ultra320 SCSI rating mean once the drive is installed in a server?

The 320 MB/s figure is the peak bus transfer rate; real-world throughput will be lower and depends on the SCSI controller, cable length, and the number of devices sharing the bus, but the 15000 RPM spindle and 3.8 ms seek keep the drive itself from becoming the bottleneck.

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