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Samsung 870 EVO 2.5" SATA SSD

MSRP 40 USDNEX score 73%

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Product Overview

Samsung 870 EVO is Samsung's latest SATA SSD using the company's updated V-NAND and controller, allowing it to improve its random read speed by 38% over the 860 EVO. It also reaches sequential read and write speeds of 560MB/s and 530MB/s respectively.
The 870 EVO also improves sustained performance by 30% compared to its predecessor. Further, it comes with one of the higher durability in terms of terabytes written.
Compared to the 870 QVO released in 2020, the 870 EVO uses the more traditional triple-level (TLC) V-NAND flash rather than the quad-level (QLC) flash. As a result, the 870 EVO trades capacity for higher durability.

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Ratings

What we found**

Pros
  • Top-notch performance for a SATA SSD
  • Excellent sequential write performance
  • Easy-to-use software
Cons
  • Mixed random IO test results are disappointing

What external reviewers found***

NEX score: 73% (not directly comparable across industries)
Pros
  • Excellent 4K random read and write performance
  • Excellent write performance
  • Good value for money
Cons
  • Lackluster SLC cache
  • No mSATA option
  • No M.2 option
  • SLC caching not as effective as SATA SSDs
  • Only one M.2 slot
  • SATA interface is starting to become outdated
Read More

Price Comparison (incl. referral links)*

Specifications

Variants:
1TB
250GB
2TB
4TB
500GB

Connectivity

Ports
SATA III (6 Gbps), compatible with SATA I and SATA II

Construction

Form Factor
2.5" internal SSD

Dimensions

Size | Depth
2.75 inch
Size | Height
0.27 inch
Size | Width
3.94 inch
Weight
0.19 lbs

Function

Processor
Samsung MKX Controller
Security
Encryption Class 0 (AES 256) TCG/Opal v2.0, MS eDrive (IEEE1667)

Performance

Durability
1.5 Million Hours MTBF / 1,500 G & 0.5ms Shock proof
1TBDurability
600TB written
250GBDurability
150TB written
2TBDurability
1200TB written
4TBDurability
2400TB written
500GBDurability
300TB written
I/O Speed
Random Read Up to 98K IOPS / Random Write Up to 88K IOPS / Sequential ReadUp to 560 MB/s / Sequential Write Up to 530 MB/s
1TBMemory | Capacity
1GB
250GBMemory | Capacity
512 MB
2TBMemory | Capacity
2GB
4TBMemory | Capacity
4GB
500GBMemory | Capacity
512 MB
Memory | Type
LPDDR4
Power Consumption
2.2W average / 3.5W peak / 30mW max idle
Storage
Samsung V-NAND 3-bit MLC (TLC)

Production

Debut
2021-01-20
1TBModel Name
MZ-77E1T0B/AM
250GBModel Name
MZ-77E250B/AM
2TBModel Name
MZ-77E2T0B/AM
4TBModel Name
MZ-77E4T0B/AM
500GBModel Name
MZ-77E500B/AM

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3rd-Party Review Videos

External Reviews

ndtv[1]

Sentiment Score 71%
Reviewers from ndtv have found the following***:
Samsung has launched the SSD 870 Evo only in the 2.5-inch form factor. There's no mSATA option anymore, but more surprisingly, there's no M.2 option either. This release is purely about Samsung moving to newer tech and optimising its production. Samsung's official prices are Rs. 3,599 for 250GB; Rs. 5,999 for 500GB; £10,000 for 1TB.
Find the original article here.
Pros
  • Excellent performance
  • Good value for money
  • Free software
Cons
  • No M.2 option
  • No mSATA option

anandtech[2]

Sentiment Score 66%
Reviewers from anandtech have found the following***:
The Samsung 870 EVO is a new SATA SSD in a market where all the interesting action is centered on NVMe SSDs. Samsung deserves praise for actually making this a new model instead of simply updating the parts used in the 860 EVO. Our testing didn't reveal any serious performance regressions. Samsung's performance advantages are too slight to justify any significant price premium.
Find the original article here.
Pros
  • Very good performance for a SATA SSD
  • Good value for money
Cons
  • SLC caching not as effective as SATA SSDs
  • Larger capacity than 870 EVO

pcmag[3]

Sentiment Score 82%
Reviewers from pcmag have found the following***:
The 4TB version of the drive we reviewed is at the top of the charts. In sequential Crystal DiskMark speeds, the SSD 870 EVO hits Samsung's own rated spec without a sweat. The drive also loses slightly to the Samsung 870 QVO in our AS-SSD copy tests.
Find the original article here.
Pros
  • Excellent 4K random read and write performance
  • SATA 3.0 and PCIe 4.0 NVMe M.2 SSDs
Cons
  • Nothing in particular

techradar[4]

Sentiment Score 62%
Reviewers from techradar have found the following***:
The Samsung 870 Evo features 128-layer V-NAND TLC memory and a new controller. In every benchmark we run on the 2TB model, it does step out ahead of the older 860 Evo. It even pushes the Team T-Force Delta Max aside with a lead in all of our benchmarks. If you've filled up all the M.2 slots in your computer, it won't be a bad choice.
Find the original article here.
Pros
  • Very good performance
  • Very good write endurance
Cons
  • SATA interface is starting to become outdated
  • Only one M.2 slot

tomshardware[5]

Sentiment Score 84%
Reviewers from tomshardware have found the following***:
Samsung's 870 EVO is the most refined version yet, courtesy of its latest 6th-gen 128-layer V-NAND TLC flash and an updated MKX ‘Metis' SATA 6Gbps controller. The drives can absorb up to 150TB of write data per 250GB of capacity, meaning the 4TB model is rated to handle 2,400 TB of writes within its warranty period. Each capacity comes at premium MSRPs, with prices ranging from $0.12-$0.16 per gigabyte.
Find the original article here.
Pros
  • Excellent performance
  • Compact, lightweight design
  • Excellent write performance
Cons
  • Lackluster SLC cache

User Reviews

References

1. ^ Samsung SSD 870 Evo Review: The End of an Era?. [ndtv]. https://gadgets.ndtv.com/laptops/reviews/samsung-ssd-870-evo-review-price-india-sata-1tb-500gb-250gb-2tb-4tb-performance-value-2393871. 2021-03-18. Retrieved 2021-10-14.
2. ^ The Samsung 870 EVO (1TB & 4TB) Review: Does the World Need Premium SATA SSDs?. [anandtech]. https://www.anandtech.com/show/16480/the-samsung-870-evo-ssd-1tb-4tb-review. 2021-02-17. Retrieved 2021-11-08.
3. ^ Samsung SSD 870 EVO Review. [pcmag]. https://www.pcmag.com/reviews/samsung-ssd-870-evo. 2021-01-19. Retrieved 2021-03-22.
4. ^ Samsung 870 Evo SSD review. [techradar]. https://www.techradar.com/reviews/samsung-870-evo-ssd. 2021-04-15. Retrieved 2021-04-17.
5. ^ Samsung 870 EVO SATA SSD Review: The Best Just Got Better (Updated). [tomshardware]. https://www.tomshardware.com/reviews/samsung-870-evo-sata-ssd-review-the-best-just-got-better. 2021-01-30. Retrieved 2021-03-22.

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***These key takeaways ("pros" and "cons") and summaries are identified from third-party review by our AI using advanced language models.

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