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Lenovo 4XB7A17176, 240 GB, 3.5", 550 MB/s, 6 Gbit/s
Abstract
The Lenovo ThinkSystem PM883 Entry SATA 6Gb solid-state drives (SSDs) in capacities ranging from 240 GB to 7.86 TB are general-purpose SSDs based on the Samsung PM883 platform. They are engineered for greater performance and endurance in a cost-effective design, and to support a broader set of workloads.
This product guide provides essential presales information to understand the PM883 Entry SATA SSD offerings and their key features, specifications, and compatibility. This guide is intended for technical specialists, sales specialists, sales engineers, IT architects, and other IT professionals who want to learn more about the SSDs and consider their use in IT solutions.
Change History
Changes in the January 7 update:
- Added SR850P to the server support table - Server support section
Introduction
The Lenovo PM883 Entry SATA solid-state drives (SSDs) in capacities ranging from 240 GB to 7.86 TB are general-purpose SSDs based on the Samsung PM883 platform. They are engineered for greater performance and endurance in a cost-effective design, and to support a broader set of workloads.
Entry SSDs and Performance SSDs have similar read and write IOPS performance, but the key difference between them is their endurance (or lifetime) (that is, how long they can perform write operations because SSDs have a finite number of program/erase (P/E) cycles). Entry SSDs have a better cost/IOPS ratio but lower endurance compared to Performance SSDs. SSD write endurance is typically measured by the number of program/erase (P/E) cycles that the drive incurs over its lifetime, listed as the total bytes of written data (TBW) in the device specification.
The TBW value assigned to a solid-state device is the total bytes of written data (based on the number of P/E cycles) that a drive can be guaranteed to complete (% of remaining P/E cycles = % of remaining TBW). Reaching this limit does not cause the drive to immediately fail. It simply denotes the maximum number of writes that can be guaranteed. A solid-state device will not fail upon reaching the specified TBW. At some point based on manufacturing variance margin, after surpassing the TBW value, the drive will reach the end-of-life point, at which the drive will go into a read-only mode.
Because of such behavior by Entry solid-state drives, careful planning must be done to use them only in read-intensive or mixed up to 70% read/30% write environments to ensure that the TBW of the drive will not be exceeded before the required life expectancy.
For example, the 480 GB PM883 Entry drive has an endurance of 683 TB of total bytes written (TBW). This means that for full operation over five years, write workload must be limited to no more than 374 GB of writes per day, which is equivalent to 0.8 full drive writes per day (DWPD). For the device to last three years, the drive write workload must be limited to no more than 624 GB of writes per day, which is equivalent to 1.3 full drive writes per day.
The Lenovo ThinkSystem PM883 Entry SATA 6Gb solid-state drives (SSDs) in capacities ranging from 240 GB to 7.86 TB are general-purpose SSDs based on the Samsung PM883 platform. They are engineered for greater performance and endurance in a cost-effective design, and to support a broader set of workloads.
This product guide provides essential presales information to understand the PM883 Entry SATA SSD offerings and their key features, specifications, and compatibility. This guide is intended for technical specialists, sales specialists, sales engineers, IT architects, and other IT professionals who want to learn more about the SSDs and consider their use in IT solutions.
Change History
Changes in the January 7 update:
- Added SR850P to the server support table - Server support section
Introduction
The Lenovo PM883 Entry SATA solid-state drives (SSDs) in capacities ranging from 240 GB to 7.86 TB are general-purpose SSDs based on the Samsung PM883 platform. They are engineered for greater performance and endurance in a cost-effective design, and to support a broader set of workloads.
Entry SSDs and Performance SSDs have similar read and write IOPS performance, but the key difference between them is their endurance (or lifetime) (that is, how long they can perform write operations because SSDs have a finite number of program/erase (P/E) cycles). Entry SSDs have a better cost/IOPS ratio but lower endurance compared to Performance SSDs. SSD write endurance is typically measured by the number of program/erase (P/E) cycles that the drive incurs over its lifetime, listed as the total bytes of written data (TBW) in the device specification.
The TBW value assigned to a solid-state device is the total bytes of written data (based on the number of P/E cycles) that a drive can be guaranteed to complete (% of remaining P/E cycles = % of remaining TBW). Reaching this limit does not cause the drive to immediately fail. It simply denotes the maximum number of writes that can be guaranteed. A solid-state device will not fail upon reaching the specified TBW. At some point based on manufacturing variance margin, after surpassing the TBW value, the drive will reach the end-of-life point, at which the drive will go into a read-only mode.
Because of such behavior by Entry solid-state drives, careful planning must be done to use them only in read-intensive or mixed up to 70% read/30% write environments to ensure that the TBW of the drive will not be exceeded before the required life expectancy.
For example, the 480 GB PM883 Entry drive has an endurance of 683 TB of total bytes written (TBW). This means that for full operation over five years, write workload must be limited to no more than 374 GB of writes per day, which is equivalent to 0.8 full drive writes per day (DWPD). For the device to last three years, the drive write workload must be limited to no more than 624 GB of writes per day, which is equivalent to 1.3 full drive writes per day.
| Features | |
| SSD capacity The Solid State Drive's data storage capacity. | 240 GB |
| SSD form factor The size of the solid-state drive, given in inches | 3.5" |
| Interface Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2. | Serial ATA III |
| NVMe NVM Express (NVMe) or Non-Volatile Memory Host Controller Interface Specification (NVMHCIS) is an open logical device interface specification for accessing non-volatile storage media attached via a PCI Express (PCIe) bus. NVM Express, as a logical device interface, has been designed to capitalize on the low latency and internal parallelism of solid-state storage devices. |
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| Memory type Type of memory in the device e.g. DDR3, SRAM (Static RAM). | V-NAND |
| Component for What this product is used as a part of (component for). | Server/workstation |
| Data transfer rate Rate at which data can be transferred. Usually expressed in units per second. May vary with network configurations. | 6 Gbit/s |
| Read speed The speed at which a device can read data. | 550 MB/s |
| Write speed The speed at which a device can write data. | 320 MB/s |
| Random read (4KB) | 98000 IOPS |
| Random write (4KB) | 14000 IOPS |
| Read latency | 120 µs |
| Write latency | 70 µs |
| S.M.A.R.T. support |
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| Hot-swap |
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| End-to-End Data Protection |
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| Uncorrectable Bit Error Rate (UBER) | < 1 per 10^17 bits read |
| Mean time between failures (MTBF) Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism. | 2000000 h |
| TBW rating | 341 |
| Certification | UL, TUV, FCC, CE, C-Tick, BSMI, KCC |
| Power | |
| Power consumption (read) | 2.3 W |
| Power consumption (write) | 2.6 W |
| Weight & dimensions | |
| Width The measurement or extent of something from side to side. | 70 mm |
| Depth The distance from the front to the back of something. | 100 mm |
| Height The measurement of the product from head to foot or from base to top. | 7 mm |
| Weight Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies. | 58 g |
| Operational conditions | |
| Operating temperature (T-T) The minimum and maximum temperatures at which the product can be safely operated. | 0 - 70 °C |
| Operating relative humidity (H-H) | 8 - 85% |
| Operating vibration Environmental requirements for vibration in operating mode | 2.17 G |
| Operating shock Environmental requirements for optimal protection from impact in operating mode | 1500 G |
| Maximum operating altitude | 3050 m |
| Other features | |
| Compatible products Other products that can be used with this product. | ThinkSystem SR250, SR530, SR550, SR570, SR590, SR630, SR650, ST250, ST550 |
| Logistics data | |
| Harmonized System (HS) code | 84717070 |
| SKU | 810063 |
| MPN | 4XB7A17176 |
| Brand | Lenovo |
| Product Condition | Brand New/Unused |
| Drive Form Factor | 3.5" |
| Product Use | General |
| Warranty Period | 1 Year Warranty |
| Warranty Contact | https://www.lenovo.com/ |