HGST
HGST HUS151436VL3800 36.7GB 15000 RPM 16MB SCSI Ultra320 80pin 3.5" internal hard drive
High-speed 15,000 RPM SCSI Ultra320 drive delivers 36.7 GB with 16 MB cache and 3.3 ms seek time
- PackagingBare Drive
- InterfaceSCSI Ultra320 80pin
- Capacity36.7GB
- RPM15000 RPM
- Cache16MB
- Average Seek Time3.3ms
- 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.
Highlights
- 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
Specifications
| Brand | Hitachi GST |
|---|---|
| Series | Ultrastar 15K147 |
| Model | HUS151436VL3800 (18P6274) |
| Packaging | Bare Drive |
| Interface | SCSI Ultra320 80pin |
| Capacity | 36.7GB |
| RPM | 15000 RPM |
| Cache | 16MB |
| Average Seek Time | 3.3ms |
| Average Latency | 2ms |
| Features | Some motherboards are not compatible with the SCSI interface. Please confirm which interface is appropriate for your system! Mature design provides greater reliability and faster qualification time RoHS compliant on select models |
| Form Factor | 3.5" |
| Shipping weight | 0.77 kg |
| Package size | 203 × 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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