What is the maximum sequential read speed of this SSD?

The maximum sequential read speed of the Lenovo S4520 is up to 550 MBps.

What is the storage capacity of the Lenovo S4520?

The Lenovo S4520 has a storage capacity of 960GB.

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Lenovo S4520 960GB RI SATA 2.5 HS Model 4XB7A17102

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Mfr. P/N: 4XB7A17102
UPC: 889488589142

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The ThinkSystem S4520 Read Intensive SATA SSDs use 144-layer Intel 3D NAND TLC Flash Memory technology with a 6Gbps SATA interface to provide an affordable solution with industry leading performance.
Compared with the S4510 series, these new Read Intensive (Entry) drives offer improved endurance. The S4520 SSDs are optimized for read-intensive applications such as boot, web servers, lower data rate operational databases and analytics.

Model
Brand	Lenovo
Device Type	Internal Solid State Drive (SSD)
Used For	Consumer

Details
Form Factor	2.5"
Capacity	960GB
Memory Components	3D NAND TLC
Interface	SATA III
Protocol	SATA

Performance
Max Sequential Read	Up to 550 MBps
Max Sequential Write	Up to 510 MBps

Additional Information
First Listed on Newegg	November 13, 2025

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