What is the spindle speed of this drive?

The drive operates at 15000 RPM, as specified for the Cheetah 15K.3 series. This speed supports high-performance applications in datacenter SCSI environments.

What interface does the ST318453LC use?

It uses Ultra320 SCSI interface with 80-pin connector, supporting external transfer rates up to 320 MB/s. This enables compatibility with U320 systems including PV220/PV221S enclosures.

What is the cache size on this model?

The ST318453LC features 8MB cache, enhancing data access efficiency for the 18GB capacity at 15000 RPM. This is standard for the Cheetah 15K.3 line.

Is firmware update available for this drive?

Firmware version DX10 is available, addressing compatibility issues in U320 capable PV220/PV221S enclosures, preventing intermittent offline conditions and hangs for models like ST318453LC.

ST318453LC - Seagate ST318453LC 18GB 15K RPM Ultra320 SCSI Drive

Name: Seagate ST318453LC 18GB 15K RPM Ultra320 SCSI Drive
Brand: Seagate
SKU: ST318453LC
Price: 195 USD
Availability: InStock

ST318453LC - Seagate ST318453LC 18GB 15K RPM Ultra320 SCSI Drive | US IT Hardware

Product overview

The Seagate ST318453LC is a Cheetah 15K.3 model hard disk drive designed for datacenter environments. It provides 18GB formatted capacity with 512 bytes per sector. The drive operates at 15000 RPM, delivering high rotational speed for performance-oriented applications. It features an 8MB cache to support efficient data handling. The interface is Ultra320 SCSI, enabling external transfer rates up to 320 MB/s. The 80-pin SCSI connector supports hot-pluggable installation in compatible systems. This 3.5-inch drive is suited for SCSI-based storage arrays. Firmware updates, such as to version DX10, address compatibility with U320 capable enclosures like PV220 and PV221S, resolving issues like intermittent offline conditions or hangs. Model variants include ST318453LW with 68-pin connector. The drive supports mission-critical workloads requiring reliable SCSI performance.

18GB capacity, 512-byte sectors
15000 RPM spindle speed
8MB cache buffer
Ultra320 SCSI interface
80-pin hot-pluggable connector
DX10 firmware for U320 compatibility

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Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	ST318453LC
Brand	Seagate
Condition	Refurbished
Model	ST318453LC
Buffer Size	8 MB
Form Factor	3.5-inch LFF
Product Line	Cheetah 15K.3
Product Type	SCSI Hard Drive
Rotational Speed	15,000 rpm
Formatted Capacity	18.4 GB
Nonrecoverable Read Errors	1 sector per 10^15 bits read

Best for

Datacenter Storage
Provides 18GB capacity at 15000 RPM with Ultra320 SCSI for high-speed data access in enterprise storage systems.
Enterprise Servers
Supports 80-pin hot-pluggable SCSI connection and 8MB cache for reliable performance in server environments.
RAID Arrays
Ultra320 interface with 320 MB/s transfer rate suits demanding RAID configurations requiring fast SCSI drives.
Legacy SCSI Systems
Compatible with U320 enclosures via DX10 firmware, addressing stability in PV220/PV221S setups.

Frequently asked questions

What is the storage capacity of the Seagate ST318453LC?

The Seagate ST318453LC Cheetah 15K.3 provides 18GB formatted capacity with 512 bytes per sector. This is confirmed across product listings and matches related models like 36GB ST336753LC and 73GB ST373453LC variants.

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Refurbished Enterprise Hard Drives 3.5-inch (LFF) Server Hard Drives 15K RPM Enterprise Hard Drives Server Hard Drives

MTBF	1,200,000 hours
Average Latency	2 ms
Average Seek Time	3.6 ms
External Transfer Rate	320 MB/s
Maximum Internal Data Transfer Rate	609 to 891 MB/s

Connector	80-pin SCA-2 Hot-Swap
Interface	Ultra320 SCSI

Seagate ST318453LC 18GB 15K RPM Ultra320 SCSI Drive

Product overview

Featuring

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Performance

Networking Ports & Interfaces

Seagate ST318453LC 18GB 15K RPM Ultra320 SCSI Drive

Product overview

Featuring

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

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Performance

Networking Ports & Interfaces