# HP FX900 Pro 2TB Review — PCIe 4.0 NVMe SSD (2026)

The HP FX900 Pro 2TB is one of the few PCIe 4.0 NVMe drives that actually earns its enthusiast label, pairing InnoGrit's IG5236 controller with Micron's 176-layer NAND for sequential reads that top 7,400 MB/s.

Quick answer: The HP FX900 Pro 2TB is a solid pick for gamers and creators who want PCIe 4.0 performance without paying flagship prices. Its sequential read speeds match the best in class, and the inclusion of a full DRAM cache keeps system responsiveness snappy. Skip it if you run sustained write-heavy workloads like database servers or 4K video rendering all day long—in those scenarios, the 4K random write performance trails behind Phison E18-based drives like the WD Black SN850X. If you're building a gaming PC, upgrading from SATA, or expanding PS5 storage, the FX900 Pro delivers the experience you'd expect from a Gen4 NVMe.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 2 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Innogrit IG5236 |
| Memory type | Micron 176-layer TLC |
| DRAM cache | DDR4 |
| Sequential read | 7400 MB/s |
| Sequential write | 6700 MB/s |
| Random read IOPS | 1300000 |
| Random write IOPS | 1100000 |
| Endurance | 1200 TBW |
| MTBF | 2000000 |
| Warranty | 5 years |

## Performance

HP rates the 2TB FX900 Pro at up to 7,400 MB/s sequential reads and 6,700 MB/s sequential writes, with random IOPS up to 1,344K reads and 1,122K writes. Independent testing using CrystalDiskMark 8 confirmed these figures, with KitGuru recording 7,523 MB/s reads and 6,705 MB/s writes—actually edging past the official ratings.

In real-world terms, those sequential numbers translate to game load times that are virtually indistinguishable from other top-tier PCIe 4.0 drives: Battlefield V, Call of Duty: Black Ops 4, and Overwatch all load within fractions of a second of the Samsung 980 Pro and WD Black SN850X in 3DMark Storage benchmarks. Where the FX900 Pro stands out is large-file workloads—video editors moving 4K footage or creators copying game libraries will see sustained transfers hold above 5 GB/s until the SLC cache exhausts.

That SLC cache behavior is worth noting. Like most TLC drives, the FX900 Pro uses a portion of its NAND as a pseudo-SLC buffer for fast burst writes. Independent reviews found the drive maintaining strong write performance in everyday transfers but dropping significantly during extended 4K random write sessions—the controller struggles to hit its rated 1,122K IOPS write figure in sustained tests, typically maxing out around 500K IOPS. For typical desktop use (gaming, boot drives, application loading), this limitation is irrelevant. For database servers or heavy scratch-disk workloads, a Phison E18-based competitor may hold an edge.

## Endurance, TBW & Warranty

HP backs the 2TB FX900 Pro with a five-year warranty and 1,200 TBW endurance rating. At a typical 40 GB/day write workload—roughly what a power user copying large files daily might generate—that 1,200 TBW translates to over 80 years of operation, far outlasting the warranty period. Even at a heavy 200 GB/day workload (video editing scratch disk, large dataset processing), you're looking at more than 16 years before hitting the TBW limit.

The warranty follows the standard industry model: five years or exhaustion of the TBW rating, whichever comes first. HP handles RMAs directly rather than routing through retailers, which can streamline the process if you ever need to file a claim. No MTBF figure is published in HP's consumer datasheet for this model, which is increasingly common as manufacturers focus on TBW as the primary reliability metric for client SSDs.

## Pros and Cons

**Pros:**

- 7,400 MB/s sequential reads match top-tier PCIe 4.0 drives
- 1,200 TBW endurance and 5-year warranty
- Full DRAM cache with DDR4-2666
- Slim 3.2mm profile fits PS5 and thin laptops
- InnoGrit IG5236 controller paired with Micron 176-layer TLC NAND
- Dual-sided PCB layout with four NAND packages
**Cons:**

- 4K random write performance trails Phison E18-based competitors
- No included heatsink—third-party cooler recommended for sustained workloads
- SLC cache exhausts quickly during large file transfers
- Temperature can approach 70°C under heavy sustained loads


## Verdict

The HP FX900 Pro 2TB is a solid pick for gamers and creators who want PCIe 4.0 performance without paying flagship prices. Its sequential read speeds match the best in class, and the inclusion of a full DRAM cache keeps system responsiveness snappy. Skip it if you run sustained write-heavy workloads like database servers or 4K video rendering all day long—in those scenarios, the 4K random write performance trails behind Phison E18-based drives like the WD Black SN850X. If you're building a gaming PC, upgrading from SATA, or expanding PS5 storage, the FX900 Pro delivers the experience you'd expect from a Gen4 NVMe.

## Frequently Asked Questions

### Is the HP FX900 Pro 2TB good for gaming?

Yes, the HP FX900 Pro 2TB is an excellent gaming SSD. Its 7,400 MB/s sequential read speeds and strong low queue-depth random performance ensure game load times are competitive with the best PCIe 4.0 drives. Independent 3DMark Storage benchmarks show the FX900 Pro loading Battlefield V, Call of Duty: Black Ops 4, and Overwatch just as quickly as the Samsung 980 Pro and WD Black SN850X. The drive also meets Sony's PS5 requirements—PCIe Gen4, 5,500+ MB/s reads, and an 80mm length—making it a viable PS5 expansion option, though you'll want to add a heatsink for sustained gaming sessions.

### Does the HP FX900 Pro 2TB have a DRAM cache?

Yes, the HP FX900 Pro 2TB includes a full DRAM cache. The drive uses DDR4-2666 memory chips for mapping tables, which is essential for maintaining consistent performance as the drive fills. Unlike budget DRAM-less drives that rely on Host Memory Buffer (HMB), the FX900 Pro's dedicated DRAM ensures random read and write performance doesn't degrade over time. The 2TB model uses two DRAM ICs on its dual-sided PCB layout.

### What is the TBW endurance of the HP FX900 Pro 2TB?

The HP FX900 Pro 2TB is rated for 1,200 TBW (terabytes written) over its warranty period. This means you can write 1.2 terabytes of data to the drive every day for five years before exhausting the warranty. In practical terms, at a moderate 40 GB/day write workload (typical for a gaming PC or general productivity use), the drive would last over 80 years—far beyond its useful life. Even heavy workloads of 200 GB/day would take more than 16 years to hit the 1,200 TBW limit.

### Is the HP FX900 Pro 2TB compatible with the PS5?

Yes, the HP FX900 Pro 2TB is compatible with the PlayStation 5 as an expansion drive. It meets Sony's requirements: PCIe Gen4 x4 interface, 5,500+ MB/s read speed, and M.2 2280 form factor (80mm length). The drive's slim 3.2mm profile including its thermal pad means it will fit within the PS5's 11.25mm height limit even with Sony's heatsink and cover. However, the drive can reach 70°C under sustained loads, so installing a proper heatsink before PS5 use is strongly recommended to maintain consistent performance during long gaming sessions.

### How does the HP FX900 Pro 2TB compare to the Samsung 980 Pro?

The HP FX900 Pro 2TB and Samsung 980 Pro 2TB are very close competitors. Both use PCIe 4.0 x4 interfaces and deliver sequential reads around 7,400 MB/s. The FX900 Pro uses an InnoGrit IG5236 controller with Micron 176-layer TLC NAND, while the 980 Pro uses Samsung's proprietary Elpis controller with Samsung TLC. In benchmarks, the FX900 Pro often matches or slightly edges the 980 Pro in sequential reads, but the Samsung typically holds an advantage in 4K random write performance. On endurance, the FX900 Pro offers 1,200 TBW versus the 980 Pro's 600 TBW for the same capacity—a significant difference. Both carry 5-year warranties. The FX900 Pro is often priced lower than the 980 Pro, making it a compelling value alternative.

### Does the HP FX900 Pro 2TB need a heatsink?

The HP FX900 Pro 2TB ships with a thin graphene foam thermal pad under its label rather than a traditional heatsink. For light desktop use—gaming, boot drives, typical application loads—this is sufficient, with temperatures averaging around 40°C. However, under sustained heavy workloads like large file transfers or prolonged write operations, the drive can approach its 70°C thermal throttle point. If you plan to use the drive in a PS5, a laptop with limited airflow, or for sustained write-heavy tasks like video editing, adding a third-party M.2 heatsink is strongly recommended to maintain optimal performance.

### Is the 2TB version faster than the 1TB HP FX900 Pro?

Yes, the 2TB HP FX900 Pro is faster than the 1TB model in sequential write speed. Both capacities share the same 7,400 MB/s sequential read rating, but the 2TB drive is rated for 6,700 MB/s writes compared to the 1TB's 6,400 MB/s. Random IOPS also scale: the 2TB model offers up to 1,344K read and 1,122K write IOPS, while the 1TB variant tops out at 1,014K read and 1,079K write IOPS. This performance scaling occurs because higher capacities include more NAND packages that can be accessed in parallel, allowing the controller to achieve better throughput.

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Last updated: 2026-05-23. Source: https://ssdrive.net/hp-fx-900-pro-2-tb