Lenovo ThinkSystem 7450 PRO 3.84 TB U.3 NVMe PCIe 4.0 x4 Hot‑Swap SSD (PN 4XB7A79648 – BNF5)
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Lenovo ThinkSystem 7450 PRO 3.84 TB U.3 NVMe PCIe 4.0 x4 Hot‑Swap SSD (PN 4XB7A79648 – BNF5)

Keywords

4XB7A79648, 7450 PRO SSD, U.3 NVMe PCIe 4.0 SSD, Read‑Intensive NVMe SSD, Lenovo ThinkSystem 7450 PRO, PCIe 4.0 NVMe HS SSD, Enterprise Read‑Intensive SSD

Description

The 4XB7A79648 is Lenovo’s OEM 3.84 TB version of the **ThinkSystem 7450 PRO Read‑Intensive NVMe SSD**, featuring a U.3 hot‑swap form factor with a PCIe 4.0 x4 interface. It's built for enterprise environments that require high‑capacity, low‑latency read performance—ideal for caching, analytics, and content delivery workloads.

Based on Micron's 7450 PRO technology, this model offers up to 6,800 MB/s sequential read and 5,300 MB/s write speeds, alongside 1M/180k IOPS for random read/write workloads. It includes standard SED encryption and delivers up to 7,000 TBW endurance at 1 DWPD—an excellent balance between longevity and capacity.

Lenovo’s ServerProven certification confirms compatibility with ThinkSystem servers such as SR630 V2, SR645 V3, SR670 V2, SR650 V2, SR665, SR850 V2, and ST650 V2 .

Key Features

  • 3.84 TB capacity in a U.3 hot‑swap 2.5″ form factor
  • PCIe 4.0 x4 NVMe interface—max sequential read: 6,800 MB/s, write: 5,300 MB/s 
  • Random IOPS: 1M read / 180k write
  • Read‑intensive endurance: 1 DWPD, ~7,000 TBW over life 
  • Self‑Encrypting Drive (SED) with TCG Opal 2.01 compliance
  • Hot‑swap U.3 design compatible with Lenovo PCIe 4.0 backplanes 

Configuration

AttributeSpecification
Part Number (PN)4XB7A79648 (Feature Code BNF5)
Capacity3.84 TB
Form Factor2.5″ U.3 hot‑swap
InterfacePCIe 4.0 x4 NVMe
Sequential Read/Write6,800 / 5,300 MB/s
Random IOPS (4 KB)1,000,000 / 180,000
Endurance1 DWPD, approx. 7,000 TBW
EncryptionSED (TCG Opal 2.01)
Warranty1 year

Compatibility

Part of Lenovo’s ServerProven portfolio, the 7450 PRO is validated for ThinkSystem platforms including SR630 V2, SR645 V3, SR650 V2, SR665, SR670 V2, SR850 V2, and ST650 V2 with full PCIe 4.0 support . It is also U.3 compatible with other modern server controllers.

Usage Scenarios

This **Read‑Intensive NVMe SSD** excels as a caching or index volume in analytics clusters, databases, or content delivery nodes—optimized for high read throughput with consistently low latency.

For virtualization (VDI) workloads and OS boot pools, it improves user responsiveness during peak I/O events like login storms.

SED encryption ensures secure storage of sensitive data, enabling easy data destruction during drive retirement—ideal for compliance-driven enterprise environments.

Frequently Asked Questions

  1. Q: Is the 4XB7A79648 hot-swappable?
    A: Yes—it’s a U.3 SSD designed for Lenovos with PCIe 4.0 U.3 backplanes, supporting hot swap.
  2. Q: What encryption standard is supported?
    A: Includes SED with TCG Opal 2.01 for transparent drive‑level encryption .
  3. Q: Can it run in PCIe 3.0 systems?
    A: Yes—compatible with PCIe 3.0, though throughput will be limited to Gen3 speeds.
  4. Q: What workloads suit this drive best?
    A: Optimized for **read‑intensive** scenarios—caching, analytics, VDI indexing, and high‑speed archive layers.
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