Seagate 600 Pro SSD Manual download pdf (Page 10)

SEAGATE 600 PRO SSD PRODUCT MANUAL, REV. B 6

When evaluating performance of SSD devices, it is recommended to measure performance of the device in a method that

resembles the targeted application using real world data and workloads. Test time should also be adequately large to ensure

that sustainable metrics and measures are obtained.

2.5 PHYSICAL CHARACTERISTICS

2.5” models

Maximum height 7.00 mm (0.276 in)

Maximum width 70.10 mm (2.760 in)

Maximum length 100.45 mm (3.955 in)

Max weight 100 g (0.220 lb)

2.6 ACCESS TIME

Access measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive

diagnostics. The specifications in the table below are defined as follows:

• Page-to-page access time is an average of all possible page-to-page accesses in both directions for a sequentially precon-

ditioned drive.

• Average access time is a true statistical random average of at least 5000 measurements of accesses between program-

mable pages, less overhead, on a randomly preconditioned drive.

*TYPICAL ACCESS TIMES (μs) READ WRITE

Average 158 125

Note. These drives are designed to provide the highest possible performance under typical conditions. However, due to

the nature of Flash memory technologies there are many factors that can result in values different than those

stated in this specification.

480GB

400GB

240GB

200GB

120GB

100GB

Power-on to Ready for non-Media related Commands (sec) 3 (typ)

Power-on to Ready for Media related commands (sec) 14 (max)

Standby to Ready (sec) 3 (max)

Ready to power removal (sec) 3 (max)

Power-on to Ready for non-media related commands is defined as the time that it will take the drive to respond from the

application power until it is ready to accept commands from the host that do not require access to the flash media. In some

cases the drive may accept media access commands during this time, but the commands will not be completed or status

returned to the host until the media can be accessed safely. Commands such as Check Power and Identify are examples of

non-media related commands.

Power-on to Ready for media related commands is defined as the time that it will take the drive to respond from the

application power until it is ready to accept commands from the host that require access to the flash media. Commands

such as FPDMA Read Extended and FPDMA Write Extended are examples of media related commands. This value includes

the time needed to charge the Power Loss Data Protection Circuit to a level that is adequate to protect customer data from

unexpected power loss.

The maximum time for Power-on to Ready is dependent on if a STANDBY IMMEDIATE was issued prior to power down and

the write workload profile prior to power down.

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Seagate 600 Pro SSD Manual Page 10

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