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Pulsar Product Manual, Rev. A 5
2.2 Formatted capacity
Model Formatted capacity* Guaranteed LBAs Emulated LBA Size (Bytes)
ST9200011FS 200GB 390,721,968
512ST9100011FS 100GB 195,371,568
ST950011FS 50GB 97,696,368
*One GB equals one billion bytes when referring to drive capacity. Accessible capacity may vary depending on operating environment and
formatting.
2.2.1 LBA mode
When addressing these drives in LBA mode, all blocks (LBAs) are consecutively numbered from 0 to n–
1,
where n is the number of guaranteed LBAs as defined above.
See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-
bit addressing support of drives with capacities over 137GB.
2.3 Default logical geometry for ATA based systems
Cylinders Read/write heads Sectors per track
16,383 16 63
2.4 Performance, Recording and interface technology
2.4.1 Interface technology
200GB 100GB 50GB
Interface Serial ATA (SATA-II)
Interface Speeds Supported 3Gb/s, 1.5Gb/s
Maximum Burst Transfer Rate 300MB/s
Hot Plug Support Yes
Native Command Queuing Support Yes
Trim Support Yes
Lifetime Endurance Throttling Yes
2.4.2 Recording technology
Flash Memory Type NAND SLC
Emulated LBA Size (Bytes) 512
Native Programmable Page size (User Bytes) 4096
Default transfer alignment offset 0
Typical Data Retention with Power removed (at 25C) 1 year