SOLVED: What is the Difference between a Desktop Drive and an Enterprise Disk

This is taken directly from a formerly confidential Seagate PowerPoint.

 

difference-between-desktop-and-enterprise-disk

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Attribute

Desktop

Barracuda

Nearline Lite

Constellation CS

Nearline

Constellation ES

Capacity & Max Z-Height

1TB: 20.2mm

2 & 3TB: 26.1mm

1TB: 20.2mm

2 &   3TB: 26.1mm

500GB, 1TB, 2TB, 3TB All   26.1mm max Z-Height
Firmware

Desktop

Nearline

Typical Nearline
FW Download Bench-top only; no rack In-situ downloadable In-situ downloadable
Security

N/A

Instant Secure Erase standard Full SED available, FIPS available
RPM

7,200

Interface, Sector Size

6Gbit/s SATA, 512 Emulated

(4k on media / 512e at   interface)

6Gb/s SATA, 512 Native6 Gb/s SAS,   5xx Native
Performance Data Rate OD Sustained: 150 – 180MB/s OD: 150 MB/s &   155 MB/s
4k Random   Write,

WCE

Risk >50% performance   loss if not aligned Aligned: 144 IOPS (Q1), 160 IOPS (Q16) Unaligned: 71 IOPS (Q1), 73 IOPS (Q16) No potential alignment risk ES.1: 180 IOPS (Q1 & Q16) ES.2: 187 IOPS (Q1 &   Q16)
NL RV(at 20-1500Hz)

~60% throughput at

12.5rad/sec2

>80% throughput at

12.5rad/sec2

>80% throughput at 12.5rad/sec2
CommandCompletion Time Will have issues   in CCT- sensitive systems Tuned for   Nearline application Tuned for Nearline application
Power, Idle &   Read 3.4 – 5.4 Watts Idle &   5.9 – 8.0 Watts Op Read 4.6-7.7 W Idle &   7.4 – 10.7 W Rd
Reliability Spec. 750k Hr MTBF@ 2400 POH 800k Hr MTBF @ 8760 POH 1.2M hr   MTBF   @ 8760 POH
Warranty

2 year

3 year

5 year

Seagate   Support Desktop level available Field Support   Available Field Support Available

 

 

 

 

 

Questions or Comments?