There are fast drives, and then there is the Crucial T705. This PCIe Gen5 NVMe solid state drive is rated for sequential reads up to 14,100MB/s, which is more than double what a Gen4 drive managed just a couple of years ago and fast enough to make almost every other component feel like the bottleneck. The 4TB version I tested brings that speed together with huge capacity, using TLC NAND for a strong balance of performance and endurance. It also ships with a one month Adobe Creative Cloud trial, which hints at the creative workload it targets. I installed the T705 in a Gen5 capable test system and ran it through benchmarks, game loading, and real file transfers for two weeks to see whether those numbers translate into a visible difference.
The standard disclosure before we begin. This article contains affiliate links, and if you buy through one of them the site earns a small commission at no extra cost to you. That never changes the review.
Design and Build
The T705 is an M.2 2280 drive, the standard length that fits in modern desktop motherboards and most gaming laptops. The version I tested ships without a heatsink, relying on the motherboard's integrated heatsink or an aftermarket cooler, which is a design decision worth flagging because Gen5 drives run hot. The drive itself is compact and light, with the controller and TLC NAND array seated on a black PCB that looks the part of a flagship product.
The build quality is what you expect from Crucial, a maker that fabricates its own memory. The component placement is clean, the firmware is mature, and the drive is engineered for the sustained workloads that Gen5 speed invites. Model number CT4000T705SSD3 confirms the 4TB capacity, and the drive carries a generous five year warranty backed by a manufacturer with decades of storage experience.
The lack of an included heatsink is worth underlining. Gen5 drives are the first generation where cooling is not optional, and Crucial sells a separate heatsink version for a reason. On a motherboard with a solid integrated M.2 heatsink, the T705 is fine, but in a laptop or a board with weak cooling you need to plan for it.
Key Features
The specification is the feature. The T705 delivers sequential reads up to 14,100MB/s and writes up to 12,700MB/s, figures that place it at the top of the consumer SSD chart. It uses PCIe Gen5 x4 connectivity, which is why it needs a Gen5 capable slot, and it pairs that bandwidth with TLC NAND, the three bits per cell flash that offers the best balance of speed, cost, and endurance for a drive like this.
Capacity and endurance round out the package. The 4TB version gives you room for the modern game library, which routinely exceeds 100GB per title, plus video files, design assets, and system images. The endurance rating of 2,400TBW on this model means it can be rewritten hundreds of times over, which is far more than a typical user will ever need.
The drive supports both Intel and AMD platforms with Gen5 support, including the latest Ryzen and Core processors, and it is backward compatible with Gen4 slots, where it simply runs at the lower speed. The included one month Adobe Creative Cloud trial points at the content creation audience, and Crucial's storage software adds drive health monitoring and updates through a clean interface.
Real-World Performance
The benchmarks live up to the spec sheet. In sequential testing the T705 hit right around 14,000MB/s on reads, which is essentially the rated figure, and writes scaled past 12,000MB/s on compressible data. The random read and write performance, which matters for everyday use, was equally strong and noticeably ahead of the best Gen4 drives I have tested.
Real world work confirmed the numbers. Copying a 50GB folder of game files took a fraction of the time a Gen4 drive needed, and a large video project loaded into the editor almost instantly. Game loading times shrank too, with a modern open world title dropping its load screen from several seconds to a blink, though the visible gains shrink as you approach the limits of the game engine rather than the drive.
Sustained performance is where Gen5 drives separate themselves, and the T705 held its speed through large continuous transfers without the dramatic drop that some drives show once their cache fills. I copied a 500GB library in one continuous pass, and the drive maintained multi gigabyte per second speeds for the entire operation. The one real caveat is heat: under sustained load the drive ran noticeably warm, and with only passive airflow in my test bench it crept toward the higher end of its range. A motherboard heatsink kept it under control, and that is the configuration I recommend.
Pros and Cons
Pros:
- Class leading sequential reads up to 14,100MB/s
- 4TB capacity for large game and content libraries
- TLC NAND with a generous 2,400TBW endurance rating
- Sustained performance holds up through large transfers
- Works on Intel and AMD Gen5 platforms
- Includes a one month Adobe Creative Cloud trial
Cons:
- Runs hot, so a good heatsink is a requirement
- Premium price for the fastest tier of storage
- Requires a Gen5 slot to reach full speed
- Everyday tasks rarely feel faster than a good Gen4 drive
How It Compares
The T705 competes against Gen4 flagship drives and other top Gen5 SSDs, so I compared it across those tiers.
| Feature | Crucial T705 Gen5 | Gen4 Flagship | Mid Gen5 Drive |
|---|---|---|---|
| Sequential read | Up to 14,100MB/s | Up to 7,400MB/s | Around 10,000MB/s |
| Sequential write | Up to 12,700MB/s | Up to 7,000MB/s | Around 9,500MB/s |
| NAND type | TLC | TLC | TLC |
| Cooling needed | Yes | Recommended | Yes |
| Real world gains | Large file work | Balanced | Good |
| Price per GB | High | Mid | Mid high |
Against a Gen4 flagship, the T705 doubles the headline speed and moves large file transfers into another league, but everyday boot and app loading times feel only marginally faster, because those tasks saturate the drive only briefly. Against other Gen5 drives, the T705 sits at the top of the speed chart with strong sustained performance and a well established brand. For creative professionals moving huge files and gamers who want the absolute fastest load times on a Gen5 platform, the T705 justifies its premium. To compare current pricing, the Amazon listing for the Crucial T705 4TB is worth checking.
Who Should Buy It
The T705 4TB is for people who routinely move big files and feel the wait. Video editors, photographers working with RAW sequences, 3D artists, and gamers with enormous libraries will all feel the difference that Gen5 speed makes. If you have a Gen5 capable motherboard and the money to spend on the fastest tier of storage, this is one of the best drives you can install today.
Skip it if you are on a Gen4 system, since a Gen4 flagship will cost far less and feel identical for everyday use, or if your workload never involves moving tens of gigabytes at once. For the right buyer, the T705 removes the last bottleneck in the machine. You can check the current price of the Crucial T705 4TB on Amazon when you are ready to upgrade.
How We Test
I installed the T705 in a Gen5 capable test system with a recent AMD platform and paired it with a motherboard heatsink. I ran a full suite of sequential and random benchmarks to verify the rated speeds, then tested real world performance with large folder copies, game load times, and video project loading. I monitored temperature throughout with a passive test bench and an active heatsink to understand the cooling requirements.
I ran sustained transfers large enough to fill the drive cache and checked for performance drop, and I compared the results against a Gen4 flagship drive I keep as a reference. For independent context on PCIe Gen5 SSDs, coverage such as Tom's Hardware's explainer on PCIe 5.0 SSDs is a useful resource. The Crucial T705 listing on Amazon shows the current price, capacities, and heatsink options.
Crucial T705 4TB: Questions People Ask
Do I need a Gen5 motherboard for the T705?
To reach the full 14,100MB/s, yes, you need a PCIe Gen5 slot, which is available on recent high end Intel and AMD platforms. In a Gen4 slot the drive still works but runs at Gen4 speeds.
Does the T705 need a heatsink?
Yes. Gen5 drives run hot, and the T705 is no exception. I recommend the motherboard heatsink or the Crucial heatsink version, especially for sustained workloads.
How long will the 4TB drive last?
The 4TB model carries a 2,400TBW endurance rating, which is more than enough for years of heavy gaming, editing, and file work, and it is backed by a five year warranty.
What is included with the drive?
The box includes the drive itself and a one month Adobe Creative Cloud trial, plus access to Crucial's storage management software for health monitoring and firmware updates.
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