| Micron P320H |
|---|
User Capacity
| 350 GB | 700 GB |
|---|
Interface
| PCI Express 2.0 x8, Half-Height, Half-Length |
|---|
Sequential Read
| 3.2 GB/s
|
|---|
Sequential Write
| 1.9 GB/s
|
|---|
4 KB Random Read
| 785,000 IOPS |
|---|
4 KB Random Write
| 205,000 IOPS
|
|---|
Power Consumption (Active)
| 25 W |
|---|
Power Consumption (Idle)
| 10 W |
|---|
Write Endurance
| 25 PB | 50 PB |
|---|
Test Hardware
|
|---|
| Processor | Intel Core i7-3960X (Sandy Bridge-E), 32 nm, 3.3 GHz, LGA 2011, 15 MB Shared L3, Turbo Boost Enabled |
|---|
Motherboard
| Intel DX79SI, X79 Express
|
|---|
Memory
| G.Skill Ripjaws Z-Series (4 x 4 GB) DDR3-1600 @ DDR3-1600, 1.5 V |
|---|
System Drive
| Intel SSD 320 160 GB SATA 3Gb/s |
|---|
Tested Drives
| Micron P320h 700 GB, PCI Express x8, Firmware: B146000
|
|---|
Graphics
| AMD FirePro V4800 1 GB |
|---|
Power Supply
| OCZ ModXStream Pro 700 W |
|---|
System Software and Drivers
|
|---|
| Operating System | Windows 7 x64 Ultimate |
|---|
| DirectX | DirectX 11 |
|---|
| Driver | Graphics: ATI 8.883 |
|---|
| Iometer 1.1.0 | # Workers = 4, 4 KB Random: LBA= Full Span varying Queue Depths
|
|
|
|---|
| AS SSD | v1.6437.30508 |
|
|
|---|
| ATTO | v2.47, 2 GB, QD=4 |
|
|
|---|
| Custom | C++, 8 MB Sequential, QD=4 |
|
|
|---|
| Enterprise Testing: Iometer Workloads | Read | Random | Transfer Size |
|---|
| Database | 67% | 100% | 8 KB: 100% |
|---|
| File server | 80% | 100% | 512 Bytes: 10% |
|---|
| 1 KB: 5% |
| 2 KB: 5% |
| 4 KB: 60% |
| 8 KB: 2% |
| 16 KB: 4% |
| 32 KB: 4% |
| 64 KB: 10% |
| Web server | 100% | 100% | 512 Bytes: 22% |
|---|
| 1 KB: 15% |
| 2 KB: 8% |
| 4 KB: 23% |
| 8 KB: 15% |
| 16 KB: 2% |
| 32 KB: 6% |
| 64 KB: 7% |
| 128 KB: 1% |
512 KB: 1%
|
Endurance Rating
Sequential Workload, QD=1, 8 MB, Random |
|---|
| Micron Real SSDP320h
| Intel SSD 910
| Intel X25-E
| Toshiba MK4001GRZB
|
|---|
NAND Type
| Micron 32 nm SLC
| Intel 25 nm eMLC (HET) | Intel 50 nm SLC | Toshiba 32 nm SLC |
|---|
RAW NAND Capacity
| 1,024 GB | 896 GB | 77GB | 512 GB |
|---|
IDEMA Capacity (User Accessible)
| 700 GB | 800 GB | 64 GB | 400 GB |
|---|
Over-provisioning
| 22% (12.5% RAIN)
| 12% | 20% | 28% |
|---|
P/E Cycles Observed (IDEMA)
| 276,652
| 46,339 | 237,968 | 225,064 |
|---|
P/E Cycles Observed (Raw)
| 185,700
| 41,374 | 198,307 | 175,831 |
|---|
Host Writes per 1% of MWI
| 1857.0 TB | 370.71 TB | 152.3 TB | 900.2 TB |
|---|
＄/PB-Written
| ＄38.57 | ＄106.60 | ＄60.51 | ＄79.63 |
|---|
Threshold (MB/s)
| Best-Case Buffer Size In MB
| Worst-Case Buffer Size In MB
|
|---|
1850
| 26 | 53 |
|---|
1900
| 34 | 66 |
|---|
1950
| 40 | 79 |
|---|
2000
| 52 | 92 |
|---|
2025
| 6310 | 6815
|
|---|
http://www.tomshardware.com/reviews/p320h-ssd-pci-express,3344-11.html
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