Lenovo 4XB7A93094 Thinksystem 2.5IN PM897A 3.84TB Mixed USE SATA 6GB HS SSD - One-year Customer-r

Lenovo 4XB7A93094 ThinkSystem 2.5-Inch PM897A 3.84TB Mixed Use SATA 6Gb/s Hot-Swap SSD

Overview

The Lenovo 4XB7A93094 is a 3.84TB hot-swap SATA 6Gb/s solid-state drive built for ThinkSystem server platforms running mixed read/write workloads — think database transaction logs, virtualization datastores, or analytics nodes where you need a balance of sustained throughput and write endurance rather than a pure read-optimized archive tier. The 2.5-inch small-form-factor hot-swap design means you can pull and replace a failed drive under power without taking the server offline, a practical requirement in any environment where uptime SLAs matter. Manufactured in Mexico and sourced factory-new, this is a genuine Lenovo ThinkSystem component validated against the platform firmware stack — not a generic SATA drive retrofitted with a Lenovo label.

If you are expanding storage in an existing Lenovo ThinkSystem deployment or populating a new server build, the 4XB7A93094 fits the 2.5-inch hot-swap bays found across the ThinkSystem SR and ST server families. Before ordering, confirm your server's storage backplane revision supports this capacity point — Lenovo's Compatibility Matrix (available on their support site) is the definitive reference.

Key Features

• 3.84TB Mixed Use Capacity: At 3.84TB per drive, you can build meaningful raw storage in a single server without exhausting all your hot-swap bays — relevant when you are balancing compute slots against storage density in a 1U or 2U chassis. Mixed-use endurance positioning means the drive is rated for both sustained reads and regular writes, unlike read-intensive (RI) variants that degrade faster under write-heavy workloads.
• SATA 6Gb/s Interface: The SATA 6Gb/s (SATA III) interface delivers up to 600MB/s theoretical throughput and is broadly compatible with ThinkSystem SATA/SAS backplanes — no additional HBA or controller card required in most configurations. If your workload demands the lower latency of NVMe, that is a different drive family; SATA is the right call when you have many drives to populate and cost-per-terabyte matters more than absolute IOPS.
• 2.5-Inch Hot-Swap Form Factor: Hot-swap capability means a drive replacement does not require a scheduled maintenance window. In a RAID or erasure-coded array, the system continues serving I/O while the failed member is swapped and a rebuild begins. The 2.5-inch form factor also fits SFF (small form factor) bays, which many ThinkSystem models use to maximize drive count per rack unit.
• PM897A Drive Model: The Samsung PM897A is an enterprise-class SSD using TLC NAND with an onboard DRAM cache — the architecture that separates enterprise mixed-use drives from consumer SSDs that hit a performance cliff under sustained write pressure. This matters for workloads like VM datastores or OLTP databases that alternate between large sequential reads and irregular write bursts.
• ThinkSystem Platform Validation: Lenovo validates ThinkSystem Option drives against specific server models, firmware versions, and RAID controllers before listing them in the Options and Parts catalog. Using a validated option (versus a third-party SATA SSD) avoids the scenario where a firmware mismatch triggers predictive failure alerts or disables certain RAID features in the storage controller.
• Hot-Swap Carrier Included: ThinkSystem hot-swap drives ship in the carrier tray already assembled, so the drive slots directly into the backplane without sourcing a separate tray — a detail that matters when you are deploying quickly or field-replacing a drive in a remote location.

Integration and Compatibility

The 4XB7A93094 is designed for ThinkSystem server storage environments running SATA-attached storage backplanes. It connects over a standard SATA 6Gb/s interface and is compatible with ThinkSystem RAID adapters and onboard SATA controllers across the SR and ST server lines. Verify compatibility against Lenovo's ServerProven list using your specific server model number before deployment — capacity support and firmware requirements vary by backplane generation.

For architects building out a network video recording infrastructure on ThinkSystem hardware, mixed-use SSDs at this capacity point can serve the operating system and active recording index volumes in an NVR appliance configuration, offloading those workloads from the high-capacity spinning or nearline-SSD archive tiers. The SATA interface keeps the solution within standard backplane compatibility without requiring PCIe slot allocation.

Pair this drive with a compatible ThinkSystem RAID adapter to take advantage of hardware RAID rebuild and spare-drive policies. Software RAID configurations are also supported, though hardware RAID typically reduces CPU overhead during rebuild operations — a consideration in storage-dense configurations where rebuild I/O competes with active workloads.

For larger storage pools, additional ThinkSystem storage options in the same family can be mixed where Lenovo's compatibility matrix permits — confirm drive matching requirements for your RAID level before mixing capacity points or firmware revisions.

Frequently Asked Questions

Q: What servers is the Lenovo 4XB7A93094 compatible with?

A: The 4XB7A93094 is designed for Lenovo ThinkSystem servers with 2.5-inch hot-swap SATA bays. Compatible models span the ThinkSystem SR and ST families, but specific compatibility depends on the backplane revision and firmware version. Always verify against Lenovo's ServerProven compatibility matrix before ordering.

Q: Is this a hot-swap drive — can I replace it without powering down the server?

A: Yes. The 2.5-inch hot-swap carrier allows the drive to be removed and replaced while the server remains powered on, provided the storage backplane supports hot-swap and the drive is part of a RAID or redundant storage configuration. A bare SATA port without RAID will not protect data during a hot swap.

Q: What workload type is this SSD optimized for?

A: Mixed use. The PM897A is rated for workloads with a balance of reads and writes — suitable for VM datastores, database transaction volumes, and application servers. It is not positioned as a read-intensive (RI) archive tier drive, nor as a write-intensive (WI) logging drive. If your workload is overwhelmingly sequential reads (backup target, cold storage), a read-optimized or nearline variant may offer better cost-per-TB.

Q: Does the 4XB7A93094 come with a carrier tray?

A: ThinkSystem hot-swap drives are supplied with the hot-swap carrier tray assembled, allowing direct installation into a compatible ThinkSystem backplane bay. Verify this against Lenovo's packaging notes for this specific option part if you require confirmation prior to shipment.

Q: What interface does this SSD use, and does it require a special controller?

A: It uses a SATA 6Gb/s (SATA III) interface. Most ThinkSystem servers with SATA/SAS backplanes support this natively through the onboard storage controller or a ThinkSystem RAID adapter. No additional PCIe HBA is required in standard configurations. NVMe drives require a different backplane and controller — this is not an NVMe drive.

James Everett

The 4XB7A93094 sits in a practical tier for ThinkSystem storage builds: 3.84TB at a mixed-use endurance rating is the right profile when you cannot justify the per-TB premium of a write-intensive drive but need more write durability than a read-optimized tier provides. That balance makes it useful in configurations where the drive handles both active OS and database volumes simultaneously — roles where a pure RI drive degrades noticeably under sustained write pressure within 12–18 months.

Technical Highlights:

• SATA 6Gb/s Interface: Keeps the drive compatible with standard ThinkSystem SATA backplanes without requiring a PCIe slot or NVMe-capable controller — a real constraint in dense 1U builds where slot count is limited.
• 3.84TB Mixed-Use Capacity: At this capacity point, a four-drive RAID-10 array yields roughly 7.5TB usable with mirrored redundancy — a practical configuration for VM datastores or NVR index volumes where both performance and fault tolerance matter.
• Hot-Swap Carrier: The assembled carrier tray eliminates a sourcing step during field replacement — important when a drive fails in a remote or branch-office server room where spare trays are unlikely to be stocked locally.

Deployment Considerations:

• Confirm your target ThinkSystem server model and backplane revision support this 3.84TB capacity point before ordering — earlier backplane firmware revisions in some SR630/SR650 models capped SSD capacity recognition below current drive sizes.
• SATA throughput (up to 600MB/s theoretical) is adequate for most mixed-use server workloads but will bottleneck under NVMe-class parallel I/O demands — if your application tier requires sub-100µs latency or multi-gigabyte-per-second sequential throughput, this is the wrong interface family.

This drive is well-positioned for ThinkSystem server deployments running virtualized workloads, NVR appliance configurations, or mid-tier database nodes where mixed read/write endurance at 3.84TB per slot aligns with a three-to-five-year service lifecycle without requiring the premium of a write-intensive enterprise SSD.