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
Access Type
Read, 4K
Write, 4K
Notes:
VRFEM1xxxGQxxx
Up to 5270 IOPS
Up to 65 IOPS
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
2.2Timing
Table 2-3: Timing Specifications
Type | Average Latency |
550 ms | |
Command to DRQ | 600 µsec6 |
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)
Manual | 9/11/2014 |
PSFEM1xxxGQxxx | Viking Technology |
Revision B | Page 13 of 33 |
www.vikingtechnology.com
