The KingSpec P3-4TB is a 4TB, 2.5-inch SATA III internal SSD for users upgrading a compatible laptop or desktop with high-capacity storage and faster boot, application, and file-loading times; it offers sequential speeds up to 520 MB/s read and 500 MB/s write.
Recommended For
- Owners of older laptops or desktops with a 2.5-inch SATA bay who want to replace a hard drive with solid-state storage; the P3 uses a standard 2.5-inch SATA interface and is positioned for hard-drive upgrades.
- Desktop users who need a large secondary drive for a game library, media files, or other frequently accessed data, and whose system has a free SATA connection; its 4TB capacity suits bulk storage, while SATA speeds are below NVMe.
- People upgrading a SATA-based computer who want a quieter, lower-power alternative to a spinning hard drive for everyday files and applications, without replacing the system or moving to NVMe.
- Budget-conscious users comfortable with backing up important files who want a high-capacity SATA drive for replaceable data, such as downloaded media or game installs; the P3-4TB has a stated 1,920TBW rating, but one community report describes a failure of this exact model.
Real-World Use Scenarios
- Replacing a compatible laptop or desktop’s 2.5-inch SATA hard drive with the P3 can make everyday use feel more responsive, with quicker system startup and application launches than the old mechanical drive.
- Building a large PC game library on a system with a spare 2.5-inch SATA bay: 4TB provides room for many installed games, and loading them from the SSD can mean less waiting than loading from a hard drive; it will not by itself increase in-game frame rates.
- Keeping a large collection of videos, photos, music, and other files inside a desktop or compatible laptop: the 4TB capacity offers substantial local storage, with quiet, vibration-free access compared with a mechanical drive.
- Using a compatible older computer for everyday work: storing the operating system and commonly used applications on the P3 can reduce the sluggishness associated with running them from a mechanical hard drive, though a slow processor or limited memory can still hold the computer back.
Spec Summary
| Attribute | Value |
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| Best For | Consumer laptop and desktop storage upgrades using a 2.5-inch SATA drive |
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| Capacity | 4TB |
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| Interface And Form Factor | 2.5-inch internal SSD with SATA III interface and SATA protocol |
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| Read Write Performance | Sequential speeds up to 520 MB/s read and 500 MB/s write; 4KB random performance up to 65,000 IOPS read and 70,000 IOPS write |
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| Endurance And Reliability | 1,920TB TBW endurance rating and 1,000,000-hour MTBF |
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| Drive Features | 3D NAND with wear leveling, garbage collection, over-provisioning, Native Command Queuing (NCQ), TRIM, and S.M.A.R.T.; no heatsink |
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| Power Consumption | 0.41W idle and 1.85W active |
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| Operating And Storage Conditions | Operating temperature: 0°C to 75°C; storage temperature: -20°C to 75°C; operating humidity: 5–95% |
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| Physical Dimensions And Weight | 100.4 × 70.0 × 7 mm; 50 g |
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| Model Identifiers | KingSpec P3 Series; model and part number P3-4TB |
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