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Ultrastar DC SN840 — sandisk
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| Endurance Dwpd | 1 DW/D |
|---|---|
| Interface | Western Digital NVMe 1.3c Controller, Dual Port PCIe 3.1 1x4 or 2x2 |
| Idle Power W | 6 |
| Capacity Tb | 3,840 |
| Drive Form Factor | U.2 2.5-inch, 15mm |
| Random Mixed Iops | |
| Supply Voltage | |
| Annualized Failure Rate Pct | |
| Uncorrectable Bit Error Rate | |
| Weight G | |
| Dimensions Height Mm | |
| Dimensions Width Mm | |
| Dimensions Length Mm | |
| Nand Layer Count | |
| Endurance Tbw | |
| Workload Rating Tb Year | |
| Power Loss Protection | |
| Helium Filled | |
| Areal Density Gbit In2 | |
| Disk Count | |
| Actuator Count | |
| Average Latency Ms | |
| Read Latency Us | |
| Write Latency Us | |
| Low Halogen | |
| Shock Operating | |
| Vibration Operating | |
| Humidity Operating | |
| Protection Information T10 Dif | |
| Powerchoice Technology | |
| Shock Operating 2ms Read Write Gs | |
| Super Parity | |
| Powerbalance Technology | |
| Shock Nonoperating 2ms Gs | |
| Power On Hours Per Year | |
| Power On Hours Per Year 24 7 | |
| Hot Plug Support | |
| Superparity | |
| Powerbalance Power Performance Technology | |
| Vibration Nonoperating 2 To 500hz Grms | |
| Organic Solderability Preservative | |
| Rotation Vibration 20 1500 Hz Rad Sec | |
| Altitude Operating | |
| Shock Non Operating | |
| Shock Nonoperating 1ms 2ms Gs | |
| Availability Hrs Day X Days Wk | |
| Vibration Non Operating | |
| Nand | |
| Standard | |
| Advanced Write Caching 8m Internal Nor Flash | |
| Vibration Nonoperating 10hz To 500hz | |
| Shock Operating 2ms Read Write | |
| Shock Nonoperating 1ms 2ms | |
| Humidity Sensor | |
| Altitude Non Operating | |
| Humidity Non Operating | |
| 5 12v Max Start Current A | |
| Availability | |
| Load Unload | |
| Rsa 3072 Firmware Verification Sd D | |
| Vibration Nonoperating 10hz To 500hz Grms | |
| Load Unload Cycles At 40 C | |
| Operating Vibration | |
| Non Operating Vibration | |
| Sed Fips Fastformat 512e 4kn | |
| Rotational Vibration 1500hz Rad S | |
| 5 12v Max Start Current | |
| Workloads | |
| Rsa 2048 Firmware Verification Sd D | |
| Description | |
| Part | |
| Product Name | |
| Rohs | |
| Specifications Group | |
| Manufacturer Address | |
| 24 X 7 Operation | |
| Document Revision | |
| Seq Read | |
| Seq Write | |
| Rand Read | |
| Rand Write | |
| Acoustics Sound Power | |
| Featured Software | |
| Shock | |
| Temperature Nonoperating C | |
| Acoustics Sound Power Random Seek | |
| Key Feature | |
| Sleep Ps4 | |
| Disks Heads | |
| Typical Op A 5v 12v | |
| Acoustics Idle Operating Bels Typical | |
| Temperature Change Rate Hr Max C | |
| Shock 0 5ms Gs | |
| Poh Power On Hours Per Year | |
| Relative Humidity Operating | |
| Relative Humidity Non Operating | |
| Flash Memory Technology | |
| Normal Load Unload Cycles | |
| Minimum Emergency Unloads | |
| Product Description | |
| Average Power Read | |
| Average Power Write | |
| Power On Hours Per Year 24x7 | |
| Sed Fips | |
| Application | |
| Footnote 1 | |
| Capacity1 | |
| Shock Half Sine Wave 2ms G Non Operating | |
| Product Category | |
| Seagate Raid Rebuild | |
| Applications Environments | |
| Revision | |
| Shock Half Sine Wave 2ms G Operating | |
| I O Acceleration And Response Time Optimization | |
| Secure Download Diagnostics Sd D And Instant Secure Erase Op | |
| Fastformat 512e 4kn Af Switching | |
| 12gb S Sas | |
| External Transfer Rate Mb S | |
| Ambient Temperature Nonoperating C | |
| Shock Max Operating 11ms Gs | |
| Shock Max Nonoperating 2ms Gs | |
| Vibration Operating 500hz Gs | |
| Vibration Nonoperating 500hz Gs | |
| Specification Table |
| Product family | Ultrastar DC SN840 |
|---|---|
| SKU | WUS4BA138DSP3X |
| Operating temp max (°C) | 0° to 70°C (Case) |
|---|
| Vendor-specific specifications |
|---|
Every spec value traces to a manufacturer datasheet. Verify against the source before purchase.
