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Lenovo 2.5 inch SATA enterprise SSD with silver label

Lenovo

Lenovo 4XB7A17103 S4520 1.92TB SATA enterprise SSD

SKU CH-2DSM-Q4092 MPN 4XB7A17103

A 2.5-inch 1.92 TB SATA enterprise SSD rated for read-intensive workloads with 2.5 DWPD endurance and 550 MB/s read speed

  • InterfaceSATA 6.0Gb/s
  • Capacity1.92TB
  • 92 TB capacity supports large read-intensive workloads
  • SATA 6.0 Gb/s interface delivers up to 550 MB/s sequential read speed
  • 5 DWPD endurance rating sustains heavy daily read operations
  • 20 TB total bytes written ensures long service life
  • 5 inch hot-swappable form factor fits standard server bays

Purpose-built read-intensive storage

The Lenovo ThinkSystem S4520 is a 1.92TB SATA enterprise SSD designed for read-intensive server workloads such as boot volumes, web hosting and operational databases. Its 2.5 DWPD endurance rating and 9011.20 TB total bytes written suit environments where writes are infrequent but reliability matters.

Thermals and power in typical operation

The SATA 6.0Gb/s interface limits peak sequential reads to 550 MB/s, keeping power draw modest and heat output low inside dense storage arrays. With no moving parts and a 2.5-inch form factor, the drive runs silently and fits standard hot-swap bays without additional cooling requirements.

Build quality and daily handling

A 144-layer 3D NAND TLC construction underpins the endurance improvement over the previous 4510 series. Hot-swap support allows drive replacement without powering down the chassis, while the SATA connector ensures broad compatibility with existing server backplanes and RAID controllers.

Points forts

  • 92 TB capacity supports large read-intensive workloads
  • SATA 6.0 Gb/s interface delivers up to 550 MB/s sequential read speed
  • 5 DWPD endurance rating sustains heavy daily read operations
  • 20 TB total bytes written ensures long service life
  • 5 inch hot-swappable form factor fits standard server bays

Caractéristiques

BrandLenovo
InterfaceSATA 6.0Gb/s
Capacity1.92TB
Poids d’expédition0.91 kg
Dimensions du colis152 × 127 × 76 mm

Questions sur cet article

How is the 2.5" SATA 6.0Gb/s drive installed in a hot-swap bay, and what step is often missed?

Slide the drive into the bay until the connector seats, then press the latch until it clicks; the step often missed is fully engaging the latch so the drive registers as hot-swappable.

What maintenance or replacement will the 1.92TB S4520 need after its rated endurance is used?

The drive is rated for 9011.20 TB total bytes written at 2.5 DWPD; once that limit is reached the drive should be replaced to avoid data-loss risk.

What performance limit appears first during sustained sequential reads on the SATA 600 interface?

The maximum read transfer rate is 550 MB/s, so the SATA 6.0Gb/s link saturates at that ceiling before any other bottleneck.

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