What is the storage capacity of the Seagate ST3146855LC?

The Seagate Cheetah 15K.5 ST3146855LC provides 146.8GB formatted capacity with 512-byte sectors. This is confirmed across the 15K.5 series models including ST3300655LC and ST373455LC, where one GB equals one billion bytes.

What spindle speed does this drive use?

The drive operates at 15000 RPM spindle speed, delivering an average latency of 2.0 ms. This performance is standard for all Cheetah 15K.5 SCSI models listed in the datasheet.

What are the seek time specifications?

Average seek time is 3.5 ms for read and 4.0 ms for write. Track-to-track seek times are 0.2 ms read and 0.4 ms write, enabling efficient access in enterprise applications.

What interface does the ST3146855LC support?

It features an Ultra320 SCSI interface with external transfer rates up to 320 MB/s. This wide interface supports high-performance data transfer in SCSI-based systems.

What is the cache size on this hard drive?

The drive includes a 16MB multisegmented cache, consistent across the Cheetah 15K.5 series. This cache supports internal formatted transfer rates of 89 to 150 MB/s.

ST3146855LC - Seagate ST3146855LC 146.8GB 15K RPM Ultra320 SCSI HDD

Name: Seagate ST3146855LC 146.8GB 15K RPM Ultra320 SCSI HDD
Brand: Seagate
SKU: ST3146855LC
Price: 162 USD
Availability: InStock

ST3146855LC - Seagate ST3146855LC 146.8GB 15K RPM Ultra320 SCSI HDD | US IT Hardware

Product overview

The Seagate Cheetah 15K.5 ST3146855LC is a high-performance enterprise hard drive designed for datacenter environments. It provides 146.8GB formatted capacity with 512-byte sectors. The drive features a 15000 RPM spindle speed, resulting in an average latency of 2.0 ms. Seek times are 3.5 ms average read and 4.0 ms average write, with track-to-track seek times of 0.2 ms read and 0.4 ms write. It includes a 16MB multisegmented cache. The interface supports Ultra320 SCSI with external transfer rates up to 320 MB/s. Internal transfer rates range from 960 to 1607 Mb/s, with sustained transfer rates of 73 to 125 MB/s and internal formatted rates of 89 to 150 MB/s. The drive weighs 1.5 lb or 0.771 kg. This model is part of the Cheetah 15K.5 SCSI series, including variants like ST3146855LW and ST373455LC.

146.8GB capacity, 512-byte sectors
15000 RPM spindle speed, 2.0 ms latency
16MB multisegmented cache buffer
Ultra320 SCSI interface, 320 MB/s transfer
3.5/4.0 ms average seek read/write
73-125 MB/s sustained transfer rate

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Featuring

Average Seek Read
Manufacturer part #	ST3146855LC
Brand	Seagate
Condition	Refurbished
Model	ST3146855LC
Capacity	146.8 GB
Form Factor	3.5-inch LFF
Cache Buffer	16 MB
Product Line	Cheetah 15K.5
Product Type	SCSI Hard Disk Drive
Spindle Speed	15,000 RPM
Bytes per Sector	512 bytes

Compatible systems

Confirmed compatible with Dell PowerEdge, HP ProLiant, IBM xSeries servers

Dell PowerEdge
Model: 800, 1500, 1550, 1600, 1650, 1750
Form factor: Rack/Tower
Confirmed compatible per disctech.com listing for ST3146855LC
HP/Compaq ProLiant
Model: DL320, DL380, DL580, ML350, ML370
Form factor: Rack/Tower
Confirmed compatible per disctech.com listing for ST3146855LC
IBM xSeries & Netfinity
Model: x220, x240, x340, x360
Form factor: Rack/Tower
Confirmed compatible per disctech.com listing for ST3146855LC

Best for

Datacenter Storage
Supports high-capacity 146.8GB storage with 15000 RPM speed for demanding datacenter workloads.
Server Applications
Delivers 16MB cache and Ultra320 SCSI interface for reliable server performance.
Enterprise RAID
Features low latency of 2.0 ms and fast seek times suitable for enterprise RAID configurations.

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

Interface	Ultra320 SCSI
Interface Types	SCSI 80pin SCA-2 Hot-Swap
Electrical Interface	SCSI LVD U320 - 320 MBps 16-bit

Seagate ST3146855LC 146.8GB 15K RPM Ultra320 SCSI HDD

Product overview

Featuring

Compatible systems

Best for

Details

Shipping, warranty & returns

Customer reviews

Performance

Power Consumption

Networking Ports & Interfaces

Frequently asked questions

Seagate ST3146855LC 146.8GB 15K RPM Ultra320 SCSI HDD

Product overview

Featuring

Compatible systems

Best for

Details

Shipping, warranty & returns

Customer reviews

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Performance

Power Consumption

Networking Ports & Interfaces

Frequently asked questions