Beijing HengzhengTC Sci-Tech Co.,Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Packaging Details | box |
| interface rate | 12Gb/s |
| size | 3.5" |
| interface type | SAS |
| speed | 7,200 rpm |
| cache | 512MB |
| Read speed | 285MB/s |
| Write speed | 272MB/s |
| Capacity | 20TB |
| weight(including package) | 700g(24.69oz) |
| Warranty | 5 years |
| Model Number | WUH722020BL5204 |
| Place of Origin | Beijing, China |
| Brand Name | - |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Packaging Details | box |
| interface rate | 12Gb/s | size | 3.5" |
| interface type | SAS | speed | 7,200 rpm |
| cache | 512MB | Read speed | 285MB/s |
| Write speed | 272MB/s | Capacity | 20TB |
| weight(including package) | 700g(24.69oz) | Warranty | 5 years |
| Model Number | WUH722020BL5204 | Place of Origin | Beijing, China |
| Brand Name | - | ||
| High Light | 20TB Capacity Hard Disk Drive ，7200 RPM HDD ，512MB Cache Enterprise Hard Drive | ||
Item | UltraStar DC HC555 HDD |
Capacity¹ (TB) and Model Number | 20TB: WUH722020CLxxyz; 18TB: WUH722018CLxxyz; 16TB: WUH722016CLxxyz; 14TB: WUH722014CLxxyz; 12TB: WUH722012CLxxyz |
Configuration - Interface | SATA 6Gb/s and SAS 12Gb/s |
Configuration - Format: Sector size (bytes)⁴ | 512e: 512; 4Kn: 4096 |
Configuration - Areal density (Gbits/sq. in.) | 20TB: 1137; 12 - 18TB: 1024 |
Performance - Data buffer⁵ (MB) | 512 |
Performance - Rotational speed (RPM) | 7200 |
Performance - Latency average (ms) | 4.16 |
Performance - Interface transfer rate (max) | SATA 6Gb/s; SAS 12Gb/s |
Performance - Sustained transfer rate⁷ (MB/s, max) / (MiB/s, max) | 20TB: 285 / 272; 12 - 18TB: 269 / 257 |
Environmental Specifications (Operating) - Temperature⁸ | 5°C to 60°C |
Environmental Specifications (Operating) - Shock (half-sine wave 2 ms, G) | 50 |
Environmental Specifications (Operating) - Vibration (G RMS 5 to 500 Hz) | 0.67 (XYZ) |
Environmental Specifications (Non-Operating) - Ambient Temperature | -40° to 70°C |
Environmental Specifications (Non-Operating) - Shock (half-sine wave, G) | 250 |
Environmental Specifications (Non-Operating) - Vibration (G RMS 2 to 200 Hz) | 1.04 (XYZ) |
Reliability - Error rate (non-recoverable, bits read) | 1 in 10¹⁵ |
Reliability - Load/Unload cycles (at 40°C) | 600,000 |
Reliability - Availability (hrs/day × days/wk) | 24×7 |
Reliability - MTBF² (hours) | 2,500,000 |
Reliability - Annualized Failure Rate² (AFR) | 0.35% |
Reliability - Limited Warranty³ | 5 Years |
Power Management - Requirement | +5 VDC, +12VDC |
Power Management - Operating (W, typical)⁸ - 14 - 20TB(SATA) | 6.4 |
Power Management - Operating (W, typical)⁸ - 14 - 20TB(SAS) | 9.2 |
Power Management - Operating (W, typical)⁸ - 12TB(SAS) | 8.8 |
Power Management - Idle⁹ (W) - 14 - 20TB(SATA) | 5.3 |
Power Management - Idle⁹ (W) - 14 - 20TB(SAS) | 5.7 |
Power Management - Idle⁹ (W) - 12TB(SAS) | 5.4 |
Power Management - Power consumption efficiency at idle (W/TB) - 20TB(SATA) | 0.27 |
Power Management - Power consumption efficiency at idle (W/TB) - 20TB(SAS) | 0.28 |
Power Management - Power consumption efficiency at idle (W/TB) - 18TB(SATA) | 0.29 |
Power Management - Power consumption efficiency at idle (W/TB) - 18TB(SAS) | 0.32 |
Power Management - Power consumption efficiency at idle (W/TB) - 16TB(SATA) | 0.33 |
Power Management - Power consumption efficiency at idle (W/TB) - 16TB(SAS) | 0.36 |
Power Management - Power consumption efficiency at idle (W/TB) - 14TB(SATA) | 0.38 |
Power Management - Power consumption efficiency at idle (W/TB) - 14TB(SAS) | 0.41 |
Power Management - Power consumption efficiency at idle (W/TB) - 12TB(SAS) | 0.45 |
Physical Dimensions - Height (max) | 1.028 in. (26.1 mm) max |
Physical Dimensions - Length (max) | 5.787 in. (147.0 mm) max |
Physical Dimensions - Width (max, ±.01 in.) | 4.0 in. (101.6 mm) |
Physical Dimensions - Weight (max, ±10%) - 12TB | 1.49 lb. (679 g) |
Physical Dimensions - Weight (max, ±10%) - 14 - 20TB | 1.52 lb. (690 g) |
Name | Jane |
Skype | yinhq@hengzhengtc.com |
Whatsapp | +86 13311320197 |
WeChat | _13311320197 |
Address | 2nd Floor, A2 Building, No.2 Yard, Longxiang Platemaking Group Industrial Park, Huilongguan Street, Changping District, Beijing. |
Company Details
Business Type:
Trading Company
Year Established:
2009
Total Annual:
4000000-8000000
Employee Number:
50~99
Ecer Certification：
Verified Supplier
A national high-tech company featuring R&D, designing, production, marketing and service, Beijing HengzhengTC Sci-Tech Co. Ltd. provides professional solutions for high-speed Internet access products and smart telecommunications products. It’s products include PCIe and OCP server network a... A national high-tech company featuring R&D, designing, production, marketing and service, Beijing HengzhengTC Sci-Tech Co. Ltd. provides professional solutions for high-speed Internet access products and smart telecommunications products. It’s products include PCIe and OCP server network a...
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