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Silver 3.5 inch bare SCSI hard drive with 80-pin connector

HGST

HGST HUS151436VL3800 36.7GB 15000 RPM 16MB SCSI Ultra320 80pin 3.5" internal hard drive

SKU CH-W20V-W8ZVM MPN HUS151436VL3800

High-speed 15,000 RPM SCSI Ultra320 drive delivers 36.7 GB with 16 MB cache and 3.3 ms seek time

  • Total capacity36.7 GB
  • Interface typeSCSI Ultra320 80pin
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed15,000 RPM
  • Cache memory16 MB
  • 15000 RPM spindle speed cuts average seek time to 3.3ms
  • 16MB cache smooths burst transfers on the Ultra320 SCSI bus
  • 7GB capacity in a 3.5-inch form factor fits legacy server bays
  • Mature Ultrastar 15K147 design aids reliability and faster qualification
  • RoHS-compliant build meets restricted-substance requirements on select models

Enterprise 15K SCSI drive

The HGST Ultrastar 15K147 HUS151436VL3800 is a 36.7 GB 3.5 inch internal hard drive spinning at 15000 RPM with a 16 MB cache. It uses the SCSI Ultra320 80 pin interface and is supplied as a bare drive. The mature design targets servers and workstations that require low latency and high reliability.

Replaces slower SCSI disks

It upgrades from lower RPM SCSI drives when faster seek and latency matter for transactional workloads. The 3.3 ms average seek time and 2 ms average latency cut response times for database and email servers. The jump is worth it when the existing array is the bottleneck and the system already has a compatible Ultra320 controller.

Fits Ultra320 backplanes

The 80 pin connector slides into hot swap backplanes that accept 3.5 inch Ultra320 drives. No separate power cable is needed because power travels through the same connector. Verify that the motherboard or RAID controller supports SCSI Ultra320 before purchase; some boards are incompatible. The drive frees a PCI slot that a separate HBA would otherwise occupy.

How it compares

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

Price $116.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 36.7 GB
Lower than about 99% of the 2,372 comparable items (median 2 TB).
Price per TB $3,187.74 per TB
Pricier than about 92% of the 2,365 comparable items (median $62.21 per TB).

New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameHitachi GST
Product lineUltrastar 15K147
Model nameHUS151436VL3800 (18P6274)
Total capacity36.7 GB
Performance
Rotational speed15,000 RPM
Average seek time3.3 ms
Mean latency2 ms
Storage
Cache memory16 MB
Ports & slots
Interface typeSCSI Ultra320 80pin
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.77 kg
Package size203 × 152 × 51 mm

Questions about this item

Does the 80-pin SCSI Ultra320 connector fit a standard 3.5-inch drive bay?

Yes, the 3.5-inch form factor matches standard bays, but the 80-pin SCA connector requires a backplane or an 80-to-68-pin adapter for cabled SCSI controllers.

What is the common installation mistake with the SCSI Ultra320 80-pin interface?

Users often forget to set the SCSI ID via the backplane jumpers or to enable termination on the last device, causing the drive to be invisible to the controller.

When should the 16 MB cache drive be replaced in a high-uptime server?

Plan replacement after five years of continuous 15,000 RPM operation or if SMART reallocated-sector counts rise, as mechanical wear accelerates at this spindle speed.

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