# Gigabyte Aorus Gen5 14000 1TB PCIe 5.0 NVMe SSD Review (2026)

The Gigabyte Aorus Gen5 14000 1 TB is the entry capacity of Gigabyte's flagship PCIe 5.0 lineup, pairing a Phison E26 controller with Micron 232-layer TLC for headline sequential throughput.

Quick answer: The 1 TB Aorus Gen5 14000 makes sense for an enthusiast building a fresh PCIe 5.0 platform who wants peak synthetic sequential bandwidth and is willing to pay the Gen5 premium for it. Skip it if your motherboard only has PCIe 4.0 M.2 slots, or if your workload is mostly gaming and day-to-day use, where a Samsung 990 Pro or WD Black SN850X delivers nearly identical real-world feel for less. The write-speed penalty on this 1 TB capacity is also real, so anyone doing sustained large-file work should step up to the 2 TB model, which carries the full 14,500 MB/s read and 12,700 MB/s write rating plus double the endurance. Overall, this is a competent first-wave Gen5 drive that earns its place only on a true PCIe 5.0 build.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 1 TB |
| Interface | M.2 5.0 |
| Controller | Phison PS5026-E26 8 Channel |
| Memory type | Micron 232-L TLC |
| DRAM cache | Yes |
| Sequential read | 13600 MB/s |
| Sequential write | 10200 MB/s |
| Random read IOPS | 1500000 |
| Random write IOPS | 1500000 |
| Endurance | 700 TBW |
| MTBF | 2000000 |
| Warranty | 5 years |

## Performance

Gigabyte rates the 1 TB Aorus Gen5 14000 for up to 13,600 MB/s sequential reads and 10,200 MB/s sequential writes, which puts it near the PCIe 5.0 x4 interface ceiling on reads and measurably below the larger capacities on writes. Random performance is rated up to 1.5 million read IOPS and roughly 1.5 million write IOPS, in line with other E26 drives, 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 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 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 workflows that move tens of gigabytes per pass. Like all E26 drives, the Aorus uses an SLC cache that holds burst speeds for a finite window and then drops to native TLC write rates once the cache fills, so sustained writes on the 1 TB model will settle well below the 10,200 MB/s peak.

## Endurance, TBW & Warranty

Gigabyte covers the Aorus Gen5 14000 1 TB with a limited 5-year warranty, terminating at 700 TBW, whichever comes first. The TBW rating is evaluated under JEDEC workload standards, and the drive's SMARTPercentage 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, 700 TBW translates into decades of theoretical headroom, so for a boot drive or game library the warranty 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:**

- 13,600 MB/s sequential reads on PCIe 5.0
- Phison E26 with Micron 232-layer TLC
- 2 GB LPDDR4 DRAM cache
- 5-year warranty with 700 TBW
- 1.6 million hour MTBF rating
- NVMe 2.0 over PCIe 5.0 x4
**Cons:**

- Write speed drops to 10,200 MB/s on 1 TB
- Lower 700 TBW than larger capacities
- Requires a motherboard heatsink, not included
- Needs a PCIe 5.0 platform to be useful
- Gen5 price premium over comparable Gen4


## Verdict

The 1 TB Aorus Gen5 14000 makes sense for an enthusiast building a fresh PCIe 5.0 platform who wants peak synthetic sequential bandwidth and is willing to pay the Gen5 premium for it. Skip it if your motherboard only has PCIe 4.0 M.2 slots, or if your workload is mostly gaming and day-to-day use, where a Samsung 990 Pro or WD Black SN850X delivers nearly identical real-world feel for less. The write-speed penalty on this 1 TB capacity is also real, so anyone doing sustained large-file work should step up to the 2 TB model, which carries the full 14,500 MB/s read and 12,700 MB/s write rating plus double the endurance. Overall, this is a competent first-wave Gen5 drive that earns its place only on a true PCIe 5.0 build.

## Frequently Asked Questions

### Is the Gigabyte Aorus Gen5 14000 1TB good for gaming?

For gaming on a PCIe 5.0 platform, the Aorus Gen5 14000 1TB is a strong but not strictly necessary pick. Its 13,600 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 for it strengthens with DirectStorage-enabled games and large game-library installs where the extra bandwidth and 700 TBW endurance start to pay off. If your motherboard only supports PCIe 4.0, save the money and buy a Gen4 flagship instead.

### Does the Gigabyte Aorus Gen5 14000 1TB work with the PS5?

No, the Aorus Gen5 14000 1TB 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 2 GB on the 1 TB model and 4 GB on the larger capacities. The DRAM holds the flash translation layer mapping table, which keeps random read and write latency low as the drive fills. 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 1TB?

The 1 TB Aorus Gen5 14000 carries a 700 TBW endurance rating, evaluated by JEDEC workload standards. That means Gigabyte covers the drive for 700 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, 700 TBW is decades of theoretical life, so in practice the calendar term expires first. The 2 TB model is rated for 1,400 TBW and the 4 TB for 3,000 TBW, scaling with capacity.

### 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 Gigabyte Aorus Gen5 14000 1TB slower than the 2TB?

Yes, the 1 TB model is rated for lower write speeds than the larger capacities. Where the 2 TB and 4 TB models carry 12,700 and 12,600 MB/s sequential write ratings respectively, the 1 TB drops to 10,200 MB/s writes, while reads also dip slightly from 14,500 on the 2 TB to 13,600 on the 1 TB. Endurance scales the same way, with the 1 TB carrying 700 TBW against 1,400 TBW on the 2 TB. For write-heavy workloads, the 2 TB is the better long-term pick.

### 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, matching the Aorus 2 TB, with random performance around 1.4 million read IOPS. The Aorus differentiates on a 5-year warranty and explicit motherboard-heatsink requirement. Choosing between them usually comes down to price, availability, and which bundled cooler option fits your build.

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Last updated: 2026-06-21. Source: https://ssdrive.net/gigabyte-aorus-gen5-14000-1-tb