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ThinkSystem M.2 ER2 Read Intensive SATA 6Gb SSDs

Product Guide

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25 Jul 2023
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LP1781
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Abstract

The ThinkSystem M.2 ER2 Read Intensive SATA 6Gb SSDs, in capacities of 240GB or 480GB, are 6Gb SATA M.2 drives suitable operating system boot purposes and general data storage functions on ThinkSystem servers.

This product guide provides essential presales information to understand the ER2 M.2 SSDs 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 ER2 M.2 SSDs and consider their use in IT solutions.

PRC only: The drives listed in this product guide are only available to customers in China.

Introduction

The ThinkSystem M.2 ER2 Read Intensive SATA 6Gb SSDs are 6Gb SATA M.2 drives suitable operating system boot purposes and general data storage functions on ThinkSystem servers. The drives are available in capacities of 240GB or 480GB.

Note: The drives listed in this product guide are only available to customers in China.

ThinkSystem M.2 ER2 Read Intensive SATA 6Gb SSDs
Figure 1. ThinkSystem M.2 ER2 Read Intensive SATA 6Gb SSDs

Did you know?

The ER2 SATA SSD Seríes delivers affordability and performance with superior random read/write speeds of up to 90,000/45,000 IOPS. With latencies reaching only 36/36 µs, the ER2 ensures fast and consistent command response times. In addition, it offers low active read power consumption at only 3.5W for energy efficiency.

Part number information

The following tables list the information for ordering part numbers and feature codes.

PRC only: The drives listed in this product guide are only available to customers in China.

Table 1. Ordering part numbers and feature codes
Part number Feature Description Vendor part number
4XB7A90105 BXMK ThinkSystem M.2 ER2 240GB Read Intensive SATA 6Gb NHS SSD ER2-GD240
4XB7A90106 BXMJ ThinkSystem M.2 ER2 480GB Read Intensive SATA 6Gb NHS SSD ER2-GD480

The part numbers include the following items:

  • One M.2 drive
  • Documentation flyer

Features

The ThinkSystem M.2 ER2 Read Intensive SATA 6Gb SSDs have the following features:

  • Based on the SSSTC ER2 family of solid state drives
  • 3D TLC NAND flash
  • End-to-end data protection
  • Thermal throttling/sensor
  • Power loss protection (PLP)
  • High I/O & throughput performance
  • Inrush current management
  • ROHS-compliant
  • Command sets: TRIM, S.M.A.R.T, NCQ

Read Intensive SSDs and Mixed Use 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. Read Intensive SSDs typically have a better cost per read IOPS ratio but lower endurance and performance compared to Mixed Use SSDs.

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.

For example, the ER2 480GB drive has an endurance of 870 TB of total bytes written (TBW). This means that for full operation over five years, write workload must be limited to no more than 477 GB of writes per day, which is equivalent to 1.0 full drive writes per day (DWPD). For the device to last three years, the drive write workload must be limited to no more than 795 GB of writes per day, which is equivalent to 1.7 full drive writes per day.

Technical specifications

The following tables present technical specifications for the ER2 M.2 SSDs.

Table 2. Technical specifications
Feature 240 GB drive 480 GB drive
Interface 6 Gb SATA 6 Gb SATA
Form factor M.2 2280 M.2 2280
Capacity 240 GB 480 GB
SED encryption None None
Endurance (drive writes per day for 5 years) 1 DWPD 1 DWPD
Endurance (total bytes written) 430 TB 870 TB
Data reliability (UBER) < 1 in 1017 bits read < 1 in 1017 bits read
MTBF 2,000,000 hours 2,000,000 hours
Performance
IOPS reads (4 KB blocks) 90,000 90,000
IOPS writes (4 KB blocks) 10,000 15,000
Sequential read rate (128 KB blocks) 520 MB/s 520 MB/s
Sequential write rate (128 KB blocks) 300 MB/s 520 MB/s
Read latency (random) 36 µs 36 µs
Write latency (random) 36 µs 36 µs
Environment
Shock, non-operating 1,500 G (Max) at 0.5 ms 1,500 G (Max) at 0.5 ms
Vibration, non-operating 3.13 GRMS (5-800 Hz) 3.13 GRMS (5-800 Hz)
Typical power (R/W) 3.5 W / 3.8 W 3.5 W / 3.8 W

Server support

The following tables list the ThinkSystem servers that are compatible.

Table 3. Server support (Part 1 of 4)
Part Number Description 2S AMD V3 2S Intel V3 4S 8S Intel V3 Multi Node GPU Rich 1S V3
SR635 V3 (7D9H / 7D9G)
SR655 V3 (7D9F / 7D9E)
SR645 V3 (7D9D / 7D9C)
SR665 V3 (7D9B / 7D9A)
ST650 V3 (7D7B / 7D7A)
SR630 V3 (7D72 / 7D73)
SR650 V3 (7D75 / 7D76)
SR850 V3 (7D97 / 7D96)
SR860 V3 (7D94 / 7D93)
SR950 V3 (7DC5 / 7DC4)
SD535 V3 (7DD8 / 7DD1)
SD530 V3 (7DDA / 7DD3)
SD550 V3 (7DD9 / 7DD2)
SR670 V2 (7Z22 / 7Z23)
SR675 V3 (7D9Q / 7D9R)
SR680a V3 (7DHE)
SR685a V3 (7DHC)
ST250 V3 (7DCF / 7DCE)
SR250 V3 (7DCM / 7DCL)
4XB7A90105 ThinkSystem M.2 ER2 240GB Read Intensive SATA 6Gb NHS SSD N N N N N N N N N N N N N N N N N N N
4XB7A90106 ThinkSystem M.2 ER2 480GB Read Intensive SATA 6Gb NHS SSD N N N N N N N N N N N N N N N N N N N
Table 4. Server support (Part 2 of 4)
Part Number Description Edge Super Computing 1S Intel V2 2S Intel V2
SE350 (7Z46 / 7D1X)
SE350 V2 (7DA9)
SE360 V2 (7DAM)
SE450 (7D8T)
SE455 V3 (7DBY)
SD665 V3 (7D9P)
SD665-N V3 (7DAZ)
SD650 V3 (7D7M)
SD650-I V3 (7D7L)
SD650-N V3 (7D7N)
ST50 V2 (7D8K / 7D8J)
ST250 V2 (7D8G / 7D8F)
SR250 V2 (7D7R / 7D7Q)
ST650 V2 (7Z75 / 7Z74)
SR630 V2 (7Z70 / 7Z71)
SR650 V2 (7Z72 / 7Z73)
4XB7A90105 ThinkSystem M.2 ER2 240GB Read Intensive SATA 6Gb NHS SSD Y N N N N N N N N N N Y Y Y Y Y
4XB7A90106 ThinkSystem M.2 ER2 480GB Read Intensive SATA 6Gb NHS SSD Y N N N N N N N N N N Y Y Y Y Y
Table 5. Server support (Part 3 of 4)
Part Number Description AMD V1 Dense V2 4S V2 8S 4S V1 1S Intel V1
SR635 (7Y98 / 7Y99)
SR655 (7Y00 / 7Z01)
SR655 Client OS
SR645 (7D2Y / 7D2X)
SR665 (7D2W / 7D2V)
SD630 V2 (7D1K)
SD650 V2 (7D1M)
SD650-N V2 (7D1N)
SN550 V2 (7Z69)
SR850 V2 (7D31 / 7D32)
SR860 V2 (7Z59 / 7Z60)
SR950 (7X11 / 7X12)
SR850 (7X18 / 7X19)
SR850P (7D2F / 2D2G)
SR860 (7X69 / 7X70)
ST50 (7Y48 / 7Y50)
ST250 (7Y45 / 7Y46)
SR150 (7Y54)
SR250 (7Y52 / 7Y51)
4XB7A90105 ThinkSystem M.2 ER2 240GB Read Intensive SATA 6Gb NHS SSD Y Y Y Y Y Y N N N N Y N N N N N N N N
4XB7A90106 ThinkSystem M.2 ER2 480GB Read Intensive SATA 6Gb NHS SSD Y Y Y Y Y Y N N N N Y N N N N N N N N
Table 6. Server support (Part 4 of 4)
Part Number Description 2S Intel V1 Dense V1
ST550 (7X09 / 7X10)
SR530 (7X07 / 7X08)
SR550 (7X03 / 7X04)
SR570 (7Y02 / 7Y03)
SR590 (7X98 / 7X99)
SR630 (7X01 / 7X02)
SR650 (7X05 / 7X06)
SR670 (7Y36 / 7Y37)
SD530 (7X21)
SD650 (7X58)
SN550 (7X16)
SN850 (7X15)
4XB7A90105 ThinkSystem M.2 ER2 240GB Read Intensive SATA 6Gb NHS SSD N N N N N Y Y N N N N N
4XB7A90106 ThinkSystem M.2 ER2 480GB Read Intensive SATA 6Gb NHS SSD N N N N N Y Y N N N N N

Operating system support

SAS SSDs operate transparently to users, storage systems, applications, databases, and operating systems.

Operating system support is based on the controller used to connect to the drives. Consult the controller propduct guide for more information:

Warranty

The ER2 M.2 SSDs carry a one-year, customer-replaceable unit (CRU) limited warranty. When the SSDs are installed in a supported server, these drives assume the system’s base warranty and any warranty upgrades.

Solid State Memory cells have an intrinsic, finite number of program/erase cycles that each cell can incur. As a result, each solid state device has a maximum amount of program/erase cycles to which it can be subjected. The warranty for Lenovo solid state drives (SSDs) is limited to drives that have not reached the maximum guaranteed number of program/erase cycles, as documented in the Official Published Specifications for the SSD product. A drive that reaches this limit may fail to operate according to its Specifications.

Physical specifications

The ER2 M.2 SSDs have the following physical specifications:

  • Length: 80 mm
  • Width: 22 mm
  • Thickness: 3.65 mm
  • Weight: 10g

Operating environment

The ER2 M.2 SSDs are supported in the following environment:

  • Temperature, operating: 0 - 70 °C (32 - 158 °F)
  • Temperature, non-operating: -40 to 85 °C (-40 - 185 °F)
  • Relative humidity: 5 - 95% (noncondensing)
  • Maximum altitude: -300 - 4,572 m (-1,000 to 15,000 feet)

Agency approvals

The ER2 M.2 SSDs conform to the following regulations:

  • CE
  • UL
  • BSMI
  • RoHS

Related product families

Product families related to this document are the following:

Trademarks

Lenovo and the Lenovo logo are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. A current list of Lenovo trademarks is available on the Web at https://www.lenovo.com/us/en/legal/copytrade/.

The following terms are trademarks of Lenovo in the United States, other countries, or both:
Lenovo®
ThinkSystem®

The following terms are trademarks of other companies:

Intel® is a trademark of Intel Corporation or its subsidiaries.

Other company, product, or service names may be trademarks or service marks of others.

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