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KingSpec P3
KingSpec

KingSpec P3 Spec and Price in the United States

SATA512GB2.5-inch580 MB/s read

Bare-bones is the operative description for KingSpec's P3: a 512GB 2.5-inch SATA drive rated at 580/570 MB/s, a three-year warranty, and no published controller or NAND figures — only per-capacity TBW ratings. It reads as a generic-market bargain SSD aimed squarely at replacing an aging hard drive for basic boot and load-time improvements, not a drive to build a performance system around. Buyers should expect it to compete on price rather than on any documented technical differentiator.

86th of 106 models in the SSD catalog on Sequential read.

Current best price
From $74.99Price too old to confirm

Prices exclude sales tax.

The last tracked price for the 512GB KingSpec P3 in the United States was $74.99 at Newegg, captured 2026-10-05. Across 2 tracked merchants and 106 days of recorded prices, the 90-day median for the 512GB KingSpec P3 is $74.99 and the lowest recorded price is $23.79. This site began capturing prices on July 30, 2026; for Amazon listings, prices dated earlier come from Keepa's price history.

Captured periodically and may have changed.

Price history

30D90D180DAll
  • 512GB
  • 1TB
  • 2TB
  • 4TB
May 6, 2026100 data pointstoday · $125.69

Each point is one day's recorded price, not a list price. Points dated before July 30, 2026, when this site began capturing prices, come from Keepa's Amazon price history. How we track prices

Specifications

Capacity
512GB
Interface
SATA
Sequential read
580 MB/s
Sequential write
570 MB/s
Form factor
2.5-inch
Endurance (TBW)
120 TB
Warranty
3 years

Capacities

ConfigurationPart numberEndurance (TBW)Sequential writeSequential readCurrent best pricePrice per TB
128GB—30 TB570 MB/s580 MB/s——
256GB—60 TB570 MB/s580 MB/s——
512GB—120 TB570 MB/s580 MB/s

$74.99

Price too old to confirm

—
1TB—240 TB570 MB/s580 MB/s

$125.69

Price too old to confirm

—
2TB—480 TB570 MB/s580 MB/s

$209.97

Price too old to confirm

—
4TB—960 TB570 MB/s580 MB/s

$389.97

Price too old to confirm

—
8TB—1920 TB570 MB/s580 MB/s——

What owners and reviewers say

Summarised from 1 source(s), reviewed September 14, 2026. A source is counted only where it names this model exactly. How we track prices

Commonly praised

  • Reviewers found it a low-cost SATA drive that reaches the interface's sequential limits.
  • It carries a three-year warranty and a sizeable pSLC cache.

Commonly criticised

  • It uses QLC NAND, and sustained write speed falls to hard-drive-like levels once the cache fills.
  • Its benchmark score was among the lowest of the drives tested.

Sources behind this summary

Guides for this category

How to choose an SSDFour questions decide almost every SSD purchase — what fits, how big, how fast, and how much it should cost.NVMe or SATAWhich interface your machine takes, how to tell without opening it, and what the speed difference actually buys you.How much SSD capacity you actually needHow to size a drive from what you already use, why leaving headroom matters, and when one bigger drive beats two small ones.M.2 sizes and SSD form factorsWhat 2280, 2242, and 2.5-inch mean, which one your machine takes, and how to check the keying before you buy.What SSD speed numbers actually tell youSequential versus random performance, why the number on the box describes the rarer case, and how to read it without being misled.PCIe generations for SSDsWhat Gen 3, Gen 4, and Gen 5 change, why a newer drive always works in an older slot, and when the extra speed is worth paying for.TLC, QLC, and DRAM-less SSDsWhat the NAND type and the controller's cache change about how a drive behaves, and when either is worth caring about.SSD endurance and warrantiesWhat TBW and DWPD actually promise, how much a normal machine writes, and when endurance is worth paying extra for.How to install an SSDFitting an M.2 or 2.5-inch drive, choosing between cloning and a clean install, and what to check on the first boot.When an SSD price is actually goodWhy price per terabyte beats any discount percentage, and why a good price on one capacity says nothing about the others.

Sources

Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.