# Gigabyte Aorus Gen5 14000 4TB PCIe 5.0 NVMe SSD Review (2026)

The Gigabyte Aorus Gen5 14000 4 TB is the largest capacity of Gigabyte's flagship PCIe 5.0 lineup, pairing a Phison E26 controller with Micron 232-layer TLC and a 3,000 TBW endurance rating.

Quick answer: The 4 TB Aorus Gen5 14000 is the capacity to buy if you need serious write headroom alongside flagship PCIe 5.0 bandwidth, with a 3,000 TBW rating that comfortably handles heavy video, AI, or content workloads for years. It makes sense for an enthusiast or professional building a fresh PCIe 5.0 platform who wants a single large drive for game library plus scratch disk without compromise. Skip it if your motherboard only has PCIe 4.0 M.2 slots, or if your workload is mostly OS and everyday gaming, where a 2 TB Gen4 flagship like the Samsung 990 Pro costs far less and delivers nearly identical real-world feel. The Crucial T705 and Corsair MP700 Pro 4 TB are the closest peers on the same E26 platform and are worth cross-shopping on price. Overall, this is a flagship-class Gen5 drive that earns its premium only on a true PCIe 5.0 build with heavy write demands.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 4 TB |
| Interface | M.2 5.0 |
| Controller | Phison PS5026-E26 8 Channel |
| Memory type | Micron 232-L TLC |
| DRAM cache | Yes |
| Sequential read | 14100 MB/s |
| Sequential write | 12600 MB/s |
| Random read IOPS | 1500000 |
| Random write IOPS | 1500000 |
| Endurance | 3000 TBW |
| MTBF | 2000000 |
| Warranty | 5 years |

## Performance

Gigabyte rates the 4 TB Aorus Gen5 14000 for up to 14,100 MB/s sequential reads and 12,600 MB/s sequential writes, within a hair of the PCIe 5.0 x4 interface ceiling and nearly matching the 2 TB flagship. Random performance is rated up to 1.5 million read IOPS and roughly 1.5 million write IOPS, in line with other E26 drives on the same Micron 232-layer TLC platform, though Gigabyte does not publish an official IOPS figure on its spec page. Those random numbers are best-case QD32 figures, not what a single-queue desktop workload will actually see.

In practice, the headline sequential gain over PCIe 4.0 shows up most clearly in large-file transfers and synthetic benchmarks. For OS boot, application launches, and game load times, the delta against a fast Gen4 drive like the Samsung 990 Pro is usually small, often within margin of error, because most current game engines are not yet bandwidth-bound on storage. Where PCIe 5.0 starts to matter is DirectStorage-enabled titles, large video scratch disks, and workstation or AI workflows that move tens of gigabytes per pass. The 4 TB's larger SLC cache window also means longer sustained bursts before writes drop to native TLC rates, a real advantage on this capacity over the 1 TB.

## Endurance, TBW & Warranty

Gigabyte covers the Aorus Gen5 14000 4 TB with a limited 5-year warranty, terminating at 3,000 TBW, whichever comes first. The TBW rating is evaluated under JEDEC workload standards, and the drive's SMART Percentage Used attribute (SMART ID 05) is what Gigabyte's SSD Toolbox watches to determine warranty status; hitting 100 percent means out of warranty. At a typical mixed consumer workload of roughly 20 to 50 GB of writes per day, 3,000 TBW translates into over a century of theoretical headroom, so for any realistic use the calendar term rather than the endurance ceiling is what will expire first. The rated MTBF is 1.6 million hours, a population statistic rather than a per-drive guarantee. The warranty is handled direct through Gigabyte, not the retailer, and the drive must be used with a motherboard heatsink to stay within spec.

## Pros and Cons

**Pros:**

- 14,100 MB/s sequential reads on PCIe 5.0
- 3,000 TBW endurance, top of the lineup
- 4 GB LPDDR4 DRAM cache
- Phison E26 with Micron 232-layer TLC
- 5-year warranty with generous TBW
- Large SLC cache window for sustained writes
**Cons:**

- High cost per GB at the 4 TB capacity
- Requires a motherboard heatsink, not included
- Needs a PCIe 5.0 platform to be useful
- Gen5 price premium over comparable Gen4
- Double-sided PCB may limit some laptop slots


## Verdict

The 4 TB Aorus Gen5 14000 is the capacity to buy if you need serious write headroom alongside flagship PCIe 5.0 bandwidth, with a 3,000 TBW rating that comfortably handles heavy video, AI, or content workloads for years. It makes sense for an enthusiast or professional building a fresh PCIe 5.0 platform who wants a single large drive for game library plus scratch disk without compromise. Skip it if your motherboard only has PCIe 4.0 M.2 slots, or if your workload is mostly OS and everyday gaming, where a 2 TB Gen4 flagship like the Samsung 990 Pro costs far less and delivers nearly identical real-world feel. The Crucial T705 and Corsair MP700 Pro 4 TB are the closest peers on the same E26 platform and are worth cross-shopping on price. Overall, this is a flagship-class Gen5 drive that earns its premium only on a true PCIe 5.0 build with heavy write demands.

## Frequently Asked Questions

### Is the Gigabyte Aorus Gen5 14000 4TB good for gaming?

For gaming on a PCIe 5.0 platform, the Aorus Gen5 14000 4TB is a strong pick if you want a large single-drive library. Its 14,100 MB/s reads vastly exceed what current game engines actually demand, so in most titles the load-time difference against a fast PCIe 4.0 drive like the Samsung 990 Pro is small, often within margin of error. The case strengthens with DirectStorage-enabled games and the 3,000 TBW endurance is more than any gamer will ever write. If your motherboard only supports PCIe 4.0, save the money and buy a Gen4 flagship instead, since the Aorus will run at Gen4 speeds and you lose its entire reason to exist.

### Does the Gigabyte Aorus Gen5 14000 4TB work with the PS5?

No, the Aorus Gen5 14000 4TB is not a practical PS5 upgrade. The PS5's expansion slot is PCIe 4.0, so the drive's PCIe 5.0 interface runs at Gen4 speeds and you lose the entire reason for buying it. Sony also recommends drives up to 80 x 25 x 11.25 mm with a heatsink, and this Aorus requires an external motherboard heatsink that can push it over that height limit. For PS5 storage expansion, a PCIe 4.0 drive like the Samsung 990 Pro or WD Black SN850X is a better fit for less money.

### Does the Gigabyte Aorus Gen5 14000 have a DRAM cache?

Yes, the Aorus Gen5 14000 uses an external LPDDR4 DRAM cache, with 4 GB on both the 2 TB and 4 TB models, versus 2 GB on the 1 TB. The DRAM holds the flash translation layer mapping table, which keeps random read and write latency low even as the drive fills to capacity. This is a performance-class design choice that separates it from DRAM-less HMB drives, and it is one reason the E26 platform can hit its rated 1.5 million random read IOPS in synthetic benchmarks.

### What is the TBW endurance of the Gigabyte Aorus Gen5 14000 4TB?

The 4 TB Aorus Gen5 14000 carries a 3,000 TBW endurance rating, evaluated by JEDEC workload standards. That means Gigabyte covers the drive for 3,000 terabytes of total writes before the warranty is exhausted, in addition to the 5-year time limit, whichever comes first. For a typical consumer workload of 20 to 50 GB of writes per day, 3,000 TBW is over a century of theoretical life, so in practice the calendar term expires first. The smaller capacities scale down, with the 2 TB at 1,400 TBW and the 1 TB at 700 TBW.

### Does the Gigabyte Aorus Gen5 14000 need a heatsink?

Yes, Gigabyte explicitly states in the spec sheet that the Aorus Gen5 14000 must be used with a motherboard heatsink, and the drive does not ship with one in the box. PCIe 5.0 drives like this run hot under sustained load and will throttle without active cooling or a substantial heatsink. Most current Intel 600-series and AMD 800-series motherboards include a compatible M.2 heatsink in the slot, but older boards or budget models may need an aftermarket solution, which adds to the total build cost.

### Is the 4TB Gigabyte Aorus Gen5 14000 slower than the 2TB?

Only marginally. The 4 TB model is rated for 14,100 MB/s reads and 12,600 MB/s writes, against 14,500 MB/s reads and 12,700 MB/s writes on the 2 TB, a difference of a few hundred MB/s that is well within run-to-run variance in real-world use. Both are clearly ahead of the 1 TB, which drops to 13,600 MB/s reads and 10,200 MB/s writes. Where the 4 TB pulls ahead is endurance, with 3,000 TBW against the 2 TB's 1,400 TBW, plus a larger SLC cache window that helps sustained writes.

### How does the Gigabyte Aorus Gen5 14000 compare to the Crucial T705?

The Crucial T705 and the Aorus Gen5 14000 both sit on the Phison E26 PCIe 5.0 platform with Micron 232-layer TLC, so their underlying architecture is very similar. The T705 is rated for up to 14,500 MB/s reads and 12,700 MB/s writes on its 2 TB capacity, marginally ahead of the Aorus 4 TB's 14,100 and 12,600, with random performance around 1.4 million read IOPS. The Aorus differentiates on its 3,000 TBW endurance at the 4 TB capacity and an explicit motherboard-heatsink requirement. Choosing between them usually comes down to street price, availability, and which capacity you need.

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Last updated: 2026-06-21. Source: https://ssdrive.net/gigabyte-aorus-gen5-14000-4-tb