QNAP HS-251 Review
Published by Marc Büchel on 12.06.15Page:
Test Results
Crystal Disk Mark
| ALL 1000MB | Read MB/s | Write MB/s |
| Seq | 101.0 | 109.7 |
| 512K | 95.01 | 106.9 |
| 4K | 16.73 | 16.18 |
| 4K QD32 | 99.19 | 75.41 |
ATTO Disk Benchmark - Total Length 256MB
| Transfer Size KB | Read MB/s | Write MB/s |
| 0.5 | 5.51 | 5.99 |
| 1.0 | 13.92 | 11.69 |
| 2.0 | 18.80 | 20.81 |
| 4.0 | 34.22 | 40.16 |
| 8.0 | 48.91 | 63.42 |
| 16.0 | 75.98 | 85.87 |
| 32.0 | 113.70 | 106.73 |
| 64.0 | 117.65 | 114.83 |
| 128.0 | 117.68 | 118.43 |
| 256.0 | 117.98 | 118.52 |
| 512.0 | 118.00 | 118.51 |
| 1024.0 | 118.10 | 118.48 |
| 2048.0 | 118.22 | 118.25 |
| 4096.0 | 115.46 | 118.67 |
| 8196.0 | 116.46 | 118.70 |
Anvil's Storage Utilities 1.1.0
| Test Size 1000MB | Resp. time ms | MB Read | IOPS | MB/s |
| Seq 4MB | 40.78 | 788.0 | 24.52 | 98.08 |
| 4K | 0.246 | 198.7 | 4'068 | 15.89 |
| 4K QD4 | 0.352 | 555.7 | 11'381 | 44.46 |
| 4K QD16 | 0.787 | 992.3 | 20'321 | 79.38 |
| 32K | 0.900 | 520.9 | 1'1100 | 34.71 |
| 128K | 1.574 | 1'191 | 635.24 | 79.40 |
| Test Size 1000MB | Resp. time ms | MB Written | IOPS | MB/s |
| Seq 4MB | 38.94 | 1'024 | 25.68 | 102.72 |
| 4K | 0.261 | 150.5 | 3'831 | 14.97 |
| 4K QD4 | 0.462 | 338.1 | 8'652 | 33.80 |
| 4K QD16 | 0.940 | 640.0 | 17'024 | 66.50 |
Intel NAS Performance Toolkit 1.7.1 MB/s
| HD Video Playback | 108.9 |
| 2 x HD Video Playback | 116.4 |
| 4 x HD Video Playback | 117.2 |
| HD Video Recording | 135.6 |
| HD Video Playback & Recording | 118.9 |
| Photo Album | 15.40 |
| Content Creation | 14.1 |
| Office Productivity | 51.40 |
| File Copy to NAS | 134.5 |
| File Copy from NAS | 94.50 |
| Directory Copy to NAS | 20.1 |
| Directory Copy from NAS | 19.8 |
Power consumption / Noise level
| Idle | 9.96 Watt |
| Load | 20.21 Watt |
| less is better |
| Sleep Mode | 32.4 dBA |
| Idle | 33.0 dBA (HDD) |
| Load | 35.3 dBA (HDD) |
| less is better |
| Page 1 - Introduction | Page 5 - Software |
| Page 2 - Preview | Page 6 - Test Setup |
| Page 3 - Specifications | Page 7 - Test Results |
| Page 4 - Delivery | Page 8 - Conclusion |
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