Lenovo S4520 240 GB Solid State Drive - 3.5" Internal - SATA (SATA/600) - Read Intensive - Server Device Supported - 2.5 DWPD - 1024 - (4XB7A17118)

• With a capacity of 240 GB, you have large storage space for all your documents and data
• The high-read speed of 470 MB/s maximizes system performance and saves time while you are doing complex tasks
• With the high-write speed of 233 MB/s, get a quick response when updating or transferring files
• Have data stored faster with SATA/600 interface that optimizes burst performance
• With 256-bit encryption protect all your valuable data and keep your personal files safe & secure

Marketing Information:

The ThinkSystem S4520 Read Intensive SATA SSDs are advanced 6Gb SATA solid-state drives that use 144-layer Intel 3D NAND TLC Flash Memory technology to provide an affordable solution with industry leading performance.

This product guide provides essential presales information to understand the S4520 SSDs, their key features and specifications, components and options, and configuration guidelines. This guide is intended for technical specialists, sales specialists, sales engineers, IT architects, and other IT professionals who want to learn more about S4520 SSDs and consider their use in IT solutions.


Storage Capacity: 240 GB
Encryption Standard: 256-bit
Maximum Read Transfer Rate: 470 MB/s
Maximum Write Transfer Rate: 233 MB/s
Random 4KB Read: 44000IOPS
Random 4KB Write: 15500IOPS
Endurance (DWPD): 2.5
Endurance (TBW): 1024 TB
Endurance Type: Read Intensive
Wireless LAN: No
Drive Interface: SATA
Drive Interface Standard: SATA/600
Drive Type: Internal
Form Factor: 3.5"
Hot Swappable: Yes
Height: 0.28" (7 mm)
Width: 2.76" (70 mm)
Depth: 3.94" (100 mm)
Device Supported: Server
Compatibility: Lenovo ThinkSystem Servers:

• ST250 V2 (7D8G / 7D8F)
• SR250 V2 (7D7R / 7D7Q)
• SR655 V3 (7D9F / 7D9E)
• SR645 V3 (7D9D / 7D9C)
• SR665 V3 (7D9B / 7D9A)
• SR630 V3 (7D72 / 7D73)
• SR650 V3 (7D75 / 7D76)
• ST650 V2 (7Z75 / 7Z74)
• SR630 V2 (7Z70 / 7Z71)
• SR650 V2 (7Z72 / 7Z73)
• SR670 V2 (7Z22 / 7Z23)
• SR635 (7Y98 / 7Y99)
• SR655 (7Y00 / 7Z01)
• SR655 Client OS
• SR645 (7D2Y / 7D2X)
• SR665 (7D2W / 7D2V)
• ST250 (7Y45 / 7Y46)
• SR250 (7Y52 / 7Y51)
• ST550 (7X09 / 7X10)
• SR530 (7X07 / 7X08)
• SR550 (7X03 / 7X04)
• SR570 (7Y02 / 7Y03)
• SR590 (7X98 / 7X99)
• SR630 (7X01 / 7X02)
• SR650 (7X05 / 7X06)

Environmentally Friendly: Yes
Limited Warranty: 1 Year
Additional Warranty Information:

The S4520 SSDs carry a one-year, customer-replaceable unit (CRU) limited warranty.

• ST250 V2 (7D8G / 7D8F)
• SR250 V2 (7D7R / 7D7Q)
• SR655 V3 (7D9F / 7D9E)
• SR645 V3 (7D9D / 7D9C)
• SR665 V3 (7D9B / 7D9A)
• SR630 V3 (7D72 / 7D73)
• SR650 V3 (7D75 / 7D76)
• ST650 V2 (7Z75 / 7Z74)
• SR630 V2 (7Z70 / 7Z71)
• SR650 V2 (7Z72 / 7Z73)
• SR670 V2 (7Z22 / 7Z23)
• SR635 (7Y98 / 7Y99)
• SR655 (7Y00 / 7Z01)
• SR655 Client OS
• SR645 (7D2Y / 7D2X)
• SR665 (7D2W / 7D2V)
• ST250 (7Y45 / 7Y46)
• SR250 (7Y52 / 7Y51)
• ST550 (7X09 / 7X10)
• SR530 (7X07 / 7X08)
• SR550 (7X03 / 7X04)
• SR570 (7Y02 / 7Y03)
• SR590 (7X98 / 7X99)
• SR630 (7X01 / 7X02)
• SR650 (7X05 / 7X06)

The S4520 SSDs carry a one-year, customer-replaceable unit (CRU) limited warranty.