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Manual
9/11/2014
PSFEM1xxxGQxxx
Viking Technology
Revision B
Page 13 of 33
www.vikingtechnology.com
2 Product Specifications
2.1 Performance
Table 2-1: Maximum Sustained Read and Write Bandwidth
Access Type
VRFEM1xxxGQxxx
Sequential Read, 256K
Up to 197 MB/s
Sequential Write, 256K
Up to 85 MB/s
Notes:
1. Performance measured using IOmeter 06 with queue depth set to 32.
2. Write Cache enabled with DDR cache.
3. Refer to Application Note AN0006 for Viking SSD Benchmarking Methodology.
Table 2-2: Random Read and Write Input/Output Operations per Second
(IOPS)
Access Type
VRFEM1xxxGQxxx
Read, 4K
Up to 5270 IOPS
Write, 4K
Up to 65 IOPS
Notes:
1. Performance measured using Iometer 06 with queue depth set to 32.
2. Write Cache enabled with DDR cache.
3. Random IOPS cover the entire range of legal logical block addresses (LBA’s). Measurements are
performed on a full drive (all LBA’s have valid content)
4. Performance may vary by NAND type and host.
5. Refer to Application Note AN0006 for Viking SSD Benchmarking Methodology.
6. Data is based on SSD’s using Synchronous NAND devices (ONFI or toggle mode) 32GB TosMLC
2.2 Timing
Table 2-3: Timing Specifications
Type
Average Latency
Power-On-to-Ready (POR)
550 ms
Command to DRQ
600 µsec
6
Time to Erase (ATA Secure Erase) 9 sec
Notes:
1. Device measured using Drivemaster.
2. Sector Read/Write latency measured up to 2048 block transfers (512B/sector = 1 Block)
3. Queue depth set to 32 for NCQ
4. Sequential IOPS cover the entire range of legal logical block addresses (LBA’s). Measurements are
performed on a full drive (all LBA’s have valid content)
5. DRQ (Data Transfer Requested) bit being asserted
6. Data is based on SSD’s using Synchronous NAND devices (ONFI or toggle mode)