4XB7A17076

Lenovo ThinkSystem 2.5" 5300 480GB entry SATA 6GB Hot Swap SSD

Lenovo 4XB7A17076 ThinkSystem 2.5" 5300 480GB entry SATA 6GB Hot Swap SSD, 540 Mbps Sequential read rate, 410 Mbps Sequential write rate

Overview:

The 5300 Entry SATA solid-state drives (SSDs) are new SSDs for ThinkSystem servers. The drives use Micron 96-layer 3D NAND flash memory technology with a SATA 6Gbps interface and provide an affordable solution for read-intensive applications such as boot, web servers, lower data rate operational databases and analytics.

Features:

The 5300 Entry SATA SSDs have the following

• 
  Industry standard 2.5-inch or 3.5-inch form factors
• New generation 96-layer 3D TLC NAND flash memory
• Suitable for read-intensive workloads with an endurance of between 0.6 and 1.5 drive writes per day (DWPD) for 5 years
• 6 Gbps SATA host interface
• High reliability and enhanced ruggedness
• MTTF of 3 million device hours - 50% more than most drives
• Absence of moving parts to reduce potential failure points in the server
• S.M.A.R.T. support
• Advanced Encrypting Standard (AES) 256-bit encryption

SSDs have a huge but finite number of program/erase (P/E) cycles, which affect how long they can perform write operations and thus their life expectancy. Entry SSDs typically have a better cost per read IOPS ratio but lower endurance and performance compared to Mainstream and Performance SSDs. SSD write endurance is typically measured by the number of program/erase cycles that the drive can incur over its lifetime, which is listed as total bytes written (TBW) in the device specification.

The TBW value that is assigned to a solid-state device is the total bytes of written data that a drive can be guaranteed to complete. Reaching this limit does not cause the drive to immediately fail; the TBW simply denotes the maximum number of writes that can be guaranteed. A solid-state device does not fail upon reaching the specified TBW. However, at some point after surpassing the TBW value (and based on manufacturing variance margins), the drive reaches the end-of-life point, at which time the drive goes into read-only mode. Because of such behavior, careful planning must be done to use SSDs in the application environments to ensure that the TBW of the drive is not exceeded before the required life expectancy.

For example, the 960 GB 5300 Entry drive has an endurance of 2,628 TB of total bytes written (TBW). This means that for full operation over five years, write workload must be limited to no more than 1,440 GB of writes per day, which is equivalent to 1.5 full drive writes per day (DWPD). For the device to last three years, the drive write workload must be limited to no more than 2,400 GB of writes per day, which is equivalent to 2.5 full drive writes per day. .

Specifications:

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Specifications
Product Code	4XB7A17076
Feature	480 GB
Interface	6 Gbps SATA
Capacity	480 GB
Endurance (drive writes per day)	1.5 DWPD
Endurance (total bytes written)	1324 TB
Data reliability	< 1 in 1017 bits read
MTTF	3000000
	hours
IOPS reads (4 KB blocks)	85000
IOPS writes (4 KB blocks)	36000
Sequential read rate (128 KB blocks)	540 MBps
Sequential write rate (128 KB blocks)	410 MBps
Read latency (seq)	175 µs
Write latency (seq)	100 µs
Shock	1,500 G (Max)
non-operating	at 0.5 ms
Vibration	3.13 GRMS
non-operating	(5-800 Hz)
Typical power (R/W)	2.5 W / 3.1 W