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Rectangular 2.5 inch SATA internal SSD with black metal casing and Samsung branding

SAMSUNG

SAMSUNG 870 QVO MZ-77Q1T0B/AM 1TB SATA internal SSD

SKU CH-419N-M9H7S

A 2.5-inch SATA internal SSD with 1TB of V-NAND storage, 560 MBps read and 530 MBps write speeds, AES 256-bit encryption and 360TB endurance

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form Factor2.5"
  • Capacity1TB
  • Memory ComponentsV-NAND
  • InterfaceSATA III
  • 1TB capacity for large game libraries and media archives
  • Sequential reads up to 560 MBps and writes up to 530 MBps for fast file transfers
  • 360 TBW endurance rating and 1.5 million hour MTBF for long-term reliability
  • AES 256-bit encryption with TCG/Opal V2.0 support for hardware-level data security
  • Samsung Magician software included for drive health monitoring and performance optimisation

870 QVO 1TB consumer SATA SSD

The Samsung 870 QVO is a 2.5 inch internal solid state drive built for everyday computing in desktops and laptops. It uses second-generation QLC V-NAND and a 1 GB low-power DDR4 cache to deliver up to 1 TB of storage capacity. The MKX controller manages data with AES 256-bit hardware encryption and TCG Opal 2.0 support for data security.

SATA III interface practical limits

The drive connects through the SATA III interface, which caps sequential throughput at 560 MBps read and 530 MBps write. Random performance reaches 98,000 IOPS read and 88,000 IOPS write at queue depth 32, while single-queue operations deliver 11,000 IOPS read and 35,000 IOPS write. These figures represent the practical ceiling of the SATA bus.

360 TBW endurance rating

The 1 TB model carries a 360 TBW endurance rating and a 1,500,000 hour MTBF, defining its expected write lifetime under typical consumer workloads. This specification determines whether the drive suits your workload intensity and data-retention requirements.

Highlights

  • 1TB capacity for large game libraries and media archives
  • Sequential reads up to 560 MBps and writes up to 530 MBps for fast file transfers
  • 360 TBW endurance rating and 1.5 million hour MTBF for long-term reliability
  • AES 256-bit encryption with TCG/Opal V2.0 support for hardware-level data security
  • Samsung Magician software included for drive health monitoring and performance optimisation

Specifications

BrandSAMSUNG
Series870 QVO Series
ModelMZ-77Q1T0B/AM
Part NumberMZ-77Q1T0B/AM
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Capacity1TB
Memory ComponentsV-NAND
InterfaceSATA III
ProtocolSATA
ControllerMKX
CacheSamsung 1GB Low Power DDR4 SDRAM
EncryptionAES 256-bit Full Disk Encryption, TCG/Opal V2.0, Encrypted Drive (IEEE1667)
Max Sequential ReadUp to 560 MBps
Max Sequential WriteUp to 530 MBps
4KB Random ReadRandom (QD1) [IOPS]: 11,000
Random (QD32) [IOPS]: 98,000
4KB Random WriteRandom (QD1) [IOPS]: 35,000
Random (QD32) [IOPS]: 88,000
Terabytes Written (TBW)360TB
MTBF1,500,000 hours
FeaturesGo big, do more
The 870 QVO is Samsung's latest 2nd generation QLC SSD with up to 4TB of storage capacity. Dependable storage for PCs and laptops, with performance you can trust.
Enhanced in every way
With an expanded SATA interface limit of 560/530 MB/s sequential speeds, the 870 QVO improves random access speed and sustained performance. Intelligent TurboWrite accelerates write speeds and maintains long-term high performance with a larger variable buffer.
Boost capacity
The 870 QVO is available in 1, 2 and 4TB. Upgrade to the latest in SATA SSD technology to thrive in today's digit
Power Consumption (Idle)30 mW
Power Consumption (Active)Read: 2.2W
Write: 4W
Operating Temperature0°C ~ +70°C
Max Shock Resistance1,500G & 0.5 ms (Half sine)
Height7.00mm
Width70.00mm
Depth100.00mm
Weight86.18g

Questions about this item

Should I choose the 1 TB model or a larger 870 QVO capacity?

The 870 QVO series is available in 1, 2, 4 and 8 TB. The 1 TB version provides 360 TBW endurance and 1 GB DDR4 cache; larger capacities scale TBW proportionally while keeping the same 560/530 MB/s sequential limits.

What does the 560 MB/s sequential read figure mean once the drive is installed?

That is the SATA III interface ceiling. In a real machine you will see sustained reads near 560 MB/s for large files, while random 4 KB reads reach 11,000 IOPS at QD1 and 98,000 IOPS at QD32.

Does the SATA III interface cap performance compared to newer standards?

Yes. SATA III tops out at 560 MB/s read and 530 MB/s write, so the 870 QVO hits the bus limit. The drive uses the MKX controller with 1 GB DDR4 cache and AES 256-bit encryption within that ceiling.

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