Samsung 9100 Pro 4TB vs Samsung 870 QVO Black Friday 2026

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Samsung 9100 PRO 4TB and Samsung 870 QVO 4TB suit different upgrade needs: the 9100 PRO is a high-speed PCIe 5.0 NVMe drive, while the 870 QVO is a 2.5-inch SATA SSD built for roomy storage. The interface and computer compatibility matter as much as capacity when choosing between them.

For this Black Friday 2026 guide, I researched and compared specs, reviews and owner feedback across seven 4TB SSDs. Samsung 9100 PRO 4TB is the performance pick for a compatible system; Samsung 870 QVO 4TB is a straightforward option for older SATA-equipped computers and large everyday libraries. Below, each pick includes its standout specs, trade-offs and best use.

How We Picked

• Compared 4TB drives with published sequential read and write speeds.
• Checked interface and form factor to distinguish M.2 NVMe from 2.5-inch SATA compatibility.
• Reviewed endurance ratings, warranty details and manufacturer specifications.
• Considered owner feedback and the practical fit for gaming, creative work and everyday storage.
• Selected drives with clearly differentiated strengths rather than treating peak speed as the only priority.

Comparison Table

Product	Best for	Sequential read (MB/s)	Sequential write (MB/s)	Endurance (TBW)
Samsung 9100 PRO 4TB M.2 NVMe SSD	PCIe 5.0 speed	14,800	13,400	2,400
Samsung 870 QVO 4TB 2.5-inch SATA SSD	SATA storage capacity	560	530	1,440
Samsung 990 PRO 4TB with Heatsink NVMe SSD	Balanced PCIe 4.0 performance	7,450	6,900	2,400
Samsung 990 EVO Plus 4TB NVMe SSD	Flexible M.2 upgrades	7,250	6,300	2,400
WD_BLACK SN850X 4TB NVMe SSD	Gaming libraries	7,300	6,600	2,400
Crucial T500 4TB NVMe SSD	Heatsink-free PCIe 4.0 builds	7,400	7,000	1,200
Samsung 870 EVO 4TB 2.5-inch SATA SSD	Everyday SATA use	560	530	2,400

Best Picks Reviewed

#1

Samsung 9100 PRO 4TB M.2 NVMe SSD

The Samsung 9100 PRO 4TB M.2 NVMe SSD is the best premium SSD for PCIe 5.0 desktops and laptops, with sequential reads up to 14,800 MB/s. Choose it when your system supports PCIe 5.0 and demanding transfers justify the upgrade.

Best for: PCIe 5.0 speed

Capacity

4TB

Interface

PCIe 5.0 x4, NVMe

Sequential read

Up to 14,800 MB/s

Sequential write

Up to 13,400 MB/s

Pros

• Very high advertised sequential speeds
• Compact M.2 2280 form factor
• Good fit for demanding data transfers

Cons

• Requires a compatible PCIe 5.0 M.2 slot to reach peak speeds
• High performance can call for adequate cooling

Is the Samsung 9100 PRO 4TB M.2 NVMe SSD worth buying on Black Friday 2026?

Yes. Samsung 9100 PRO 4TB M.2 NVMe SSD is a strong Black Friday 2026 choice for a PCIe 5.0 system that needs fast, high-capacity storage. The Samsung 9100 PRO 4TB M.2 NVMe SSD's advertised sequential read speed reaches 14,800 MB/s.

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#2

Samsung 870 QVO 4TB 2.5-inch SATA SSD

The Samsung 870 QVO 4TB 2.5-inch SATA SSD is the best budget-style pick for large libraries and SATA-only computers, with sequential reads up to 560 MB/s. Choose it for capacity and simple SATA upgrades rather than top-tier transfer speed.

Best for: SATA storage capacity

Capacity

4TB

Form factor

2.5-inch

Interface

SATA III, 6 Gb/s

Sequential read

Up to 560 MB/s

Sequential write

Up to 530 MB/s

Pros

• Large 4TB capacity in a common SATA format
• Compatible with many older desktop and laptop bays
• Straightforward choice for media and file storage

Cons

• Much slower than current NVMe SSDs
• QLC NAND is less suited to sustained heavy writes

Is the Samsung 870 QVO 4TB 2.5-inch SATA SSD worth buying on Black Friday 2026?

Yes. Samsung 870 QVO 4TB 2.5-inch SATA SSD is worth considering when a computer needs a spacious SATA drive for files, media or everyday use. The Samsung 870 QVO 4TB 2.5-inch SATA SSD's sequential read speed reaches 560 MB/s.

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#3 · Top pick

Samsung 990 PRO 4TB with Heatsink NVMe SSD

The Samsung 990 PRO 4TB with Heatsink NVMe SSD is the best overall pick for high-speed PCIe 4.0 storage, with sequential reads up to 7,450 MB/s. The built-in heatsink makes it a practical fit for compatible desktops and consoles.

Best for: Balanced PCIe 4.0 performance

Capacity

4TB

Interface

PCIe 4.0 x4, NVMe

Sequential read

Up to 7,450 MB/s

Sequential write

Up to 6,900 MB/s

Pros

• Fast PCIe 4.0 performance
• Integrated heatsink
• Useful capacity for games and large projects

Cons

• Heatsink dimensions need clearance in the target device
• Cannot use PCIe 5.0 peak speeds

Is the Samsung 990 PRO 4TB with Heatsink NVMe SSD worth buying on Black Friday 2026?

Yes. Samsung 990 PRO 4TB with Heatsink NVMe SSD is a balanced choice for a PCIe 4.0 desktop or compatible console that needs 4TB of fast storage. The Samsung 990 PRO 4TB with Heatsink NVMe SSD's advertised read speed reaches 7,450 MB/s.

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#4

Samsung 990 EVO Plus 4TB NVMe SSD

The Samsung 990 EVO Plus 4TB NVMe SSD is the best versatile M.2 option for everyday gaming and creative work, with sequential reads up to 7,250 MB/s. The Samsung 990 EVO Plus 4TB NVMe SSD's PCIe 5.0 x2 and PCIe 4.0 x4 support offers flexibility across compatible systems.

Best for: Flexible M.2 upgrades

Capacity

4TB

Interface

PCIe 5.0 x2 / PCIe 4.0 x4

Sequential read

Up to 7,250 MB/s

Sequential write

Up to 6,300 MB/s

Pros

• Broad interface compatibility
• Fast performance for general workloads
• M.2 2280 design saves space

Cons

• Not as fast as a high-end PCIe 5.0 x4 drive
• System support determines the available interface speed

Is the Samsung 990 EVO Plus 4TB NVMe SSD worth buying on Black Friday 2026?

Yes. Samsung 990 EVO Plus 4TB NVMe SSD is a capable 4TB M.2 upgrade for compatible laptops and desktops. Sequential reads reach 7,250 MB/s, and its interface support suits systems using PCIe 4.0 or PCIe 5.0 x2.

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#5

WD_BLACK SN850X 4TB NVMe SSD

The WD_BLACK SN850X 4TB NVMe SSD is the best gaming-focused pick for a PCIe 4.0 desktop or compatible console, with sequential reads up to 7,300 MB/s. The 4TB capacity leaves room for a sizable game library.

Best for: Gaming libraries

Capacity

4TB

Interface

PCIe 4.0 x4, NVMe

Sequential read

Up to 7,300 MB/s

Sequential write

Up to 6,600 MB/s

Pros

• High sequential speeds for PCIe 4.0
• Roomy capacity for installed games
• M.2 2280 form factor

Cons

• Heatsink fit and console compatibility need checking
• PCIe 5.0 systems do not unlock a higher advertised speed

Is the WD_BLACK SN850X 4TB NVMe SSD worth buying on Black Friday 2026?

Yes. WD_BLACK SN850X 4TB NVMe SSD is a strong gaming-storage choice for compatible PCIe 4.0 systems. Sequential reads reach 7,300 MB/s, while the 4TB capacity supports a large collection of games and downloads.

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#6

Crucial T500 4TB NVMe SSD

The Crucial T500 4TB NVMe SSD is the best alternative for PCIe 4.0 upgrades that need strong sequential performance, with reads up to 7,400 MB/s. Check motherboard or laptop clearance because this version does not include a heatsink.

Best for: Heatsink-free PCIe 4.0 builds

Capacity

4TB

Interface

PCIe 4.0 x4, NVMe

Sequential read

Up to 7,400 MB/s

Sequential write

Up to 7,000 MB/s

Pros

• Fast advertised PCIe 4.0 transfers
• Standard M.2 2280 size
• Works well in systems with their own M.2 cooling

Cons

• The Crucial T500 4TB NVMe SSD model lacks an included heatsink
• Confirm device support for a 4TB M.2 drive

Is the Crucial T500 4TB NVMe SSD worth buying on Black Friday 2026?

Yes. Crucial T500 4TB NVMe SSD is a sound PCIe 4.0 option for desktops and laptops with suitable M.2 cooling. The Crucial T500 4TB NVMe SSD's advertised sequential read speed is 7,400 MB/s, with 4TB for games and working files.

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#7

Samsung 870 EVO 4TB 2.5-inch SATA SSD

The Samsung 870 EVO 4TB 2.5-inch SATA SSD is the best SATA alternative for regular everyday writes, with sequential reads up to 560 MB/s. The Samsung 870 EVO 4TB 2.5-inch SATA SSD's TLC NAND design makes it a sensible step up from the QVO when write workload matters.

Best for: Everyday SATA use

Capacity

4TB

Form factor

2.5-inch

Interface

SATA III, 6 Gb/s

Sequential read

Up to 560 MB/s

Sequential write

Up to 530 MB/s

Pros

• Broad 2.5-inch SATA compatibility
• TLC NAND suits regular everyday use
• Clear alternative to the 870 QVO

Cons

• SATA limits speed compared with NVMe
• Older systems need a free SATA data and power connection

Is the Samsung 870 EVO 4TB 2.5-inch SATA SSD worth buying on Black Friday 2026?

Yes. Samsung 870 EVO 4TB 2.5-inch SATA SSD is a good fit for a SATA-only computer that sees frequent everyday writes. The Samsung 870 EVO 4TB 2.5-inch SATA SSD's sequential read speed reaches 560 MB/s, matching the SATA interface’s practical performance class.

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Which is faster, Samsung 9100 PRO 4TB or Samsung 870 QVO 4TB?

Samsung 9100 PRO 4TB M.2 NVMe SSD is substantially faster on paper, with sequential reads up to 14,800 MB/s versus 560 MB/s for Samsung 870 QVO 4TB 2.5-inch SATA SSD. The difference comes from PCIe 5.0 NVMe versus SATA, not just the Samsung product tier.

Samsung 9100 PRO 4TB suits large transfers, demanding creative workflows and systems built to use PCIe 5.0. Samsung 870 QVO 4TB fits older computers and storage-heavy libraries where capacity and SATA support matter more than peak throughput. Real-world speed also depends on the computer, workload, cooling and drive condition.

For a modern PCIe 4.0 system, Samsung 990 PRO 4TB with Heatsink NVMe SSD offers a strong middle ground. For a SATA machine, Samsung 870 EVO 4TB 2.5-inch SATA SSD is a TLC alternative.

Does Samsung 9100 PRO 4TB work in a PCIe 4.0 or SATA computer?

Samsung 9100 PRO 4TB M.2 NVMe SSD uses a PCIe 5.0 x4 M.2 connection, so a SATA-only bay cannot run it. An M.2 slot supporting an earlier PCIe generation generally provides backward compatibility, but the drive’s speed is limited by that system’s interface.

Samsung 870 QVO 4TB 2.5-inch SATA SSD connects through SATA III and fits a compatible 2.5-inch bay. A computer without a spare SATA power and data connection needs a different storage plan. M.2 describes the physical slot, not a guarantee of NVMe support, so check the manufacturer’s device specifications.

Before ordering, confirm the computer supports the capacity, dimensions and interface. Laptop service manuals and motherboard storage tables are useful checks, especially when another M.2 drive, heatsink or SATA device already occupies a connection.

Which 4TB SSD is best for gaming in 2026?

WD_BLACK SN850X 4TB NVMe SSD is a strong gaming pick for compatible PCIe 4.0 systems, with sequential reads up to 7,300 MB/s. Samsung 990 PRO 4TB with Heatsink NVMe SSD is another fast choice, and its integrated heatsink helps with compatible desktop and console setups.

Samsung 9100 PRO 4TB M.2 NVMe SSD posts higher peak sequential speeds, but games do not automatically load faster in proportion to benchmark numbers. The rest of the system, game design and storage workload all affect the experience. A PCIe 5.0 upgrade makes most sense when the computer supports it and other demanding tasks benefit too.

For a SATA-only gaming computer, Samsung 870 QVO 4TB offers space for installations, though NVMe drives deliver far higher sequential throughput. Confirm console fit, heatsink clearance and the device’s supported SSD specifications before choosing.

Is Samsung 870 QVO 4TB better than Samsung 870 EVO 4TB?

Samsung 870 EVO 4TB 2.5-inch SATA SSD is the better fit for regular write-heavy use, while Samsung 870 QVO 4TB 2.5-inch SATA SSD emphasizes high capacity at an accessible tier. Both list sequential reads up to 560 MB/s and writes up to 530 MB/s, so their headline speed figures are close.

The key distinction is NAND type: the 870 EVO uses TLC and the 870 QVO uses QLC. Sustained write behavior and endurance matter for frequent large file transfers, work scratch space or repeated recording. Published endurance ratings are 2,400 TBW for the 870 EVO 4TB and 1,440 TBW for the 870 QVO 4TB.

For games, archived files and media storage, the QVO remains a reasonable SATA option. For a general-purpose SATA drive expected to handle regular writes, the EVO is the stronger match.

What should shoppers compare on Black Friday 2026?

Black Friday 2026 SSD shoppers should compare interface, capacity, heatsink fit and warranty alongside speed figures. Samsung 9100 PRO 4TB M.2 NVMe SSD has the highest listed sequential performance here, while Samsung 870 QVO 4TB 2.5-inch SATA SSD serves computers without an NVMe slot.

Use the published model name and full capacity to compare listings accurately. A heatsink version can differ from a bare M.2 drive in fit, and a familiar model name can cover several capacities or variants. Read the specification page for the precise interface and speed of the version being considered.

My pick for most people with a compatible PCIe 4.0 system is Samsung 990 PRO 4TB with Heatsink NVMe SSD. Skip it if your device only supports SATA or cannot accommodate the heatsink; choose a drive that matches the system instead.

Buying Guide

Match the SSD interface to your computer

Samsung 9100 PRO 4TB needs an M.2 PCIe NVMe slot, while Samsung 870 QVO 4TB needs a 2.5-inch SATA connection. Check the system manual for interface, available slot and supported drive dimensions before choosing.

Choose speed for your real workload

Samsung 9100 PRO 4TB reaches 14,800 MB/s sequential reads, while Samsung 870 QVO 4TB reaches 560 MB/s. Large transfers and demanding production work benefit more from NVMe speed than basic storage or media libraries.

Compare endurance and NAND type

Samsung 870 EVO 4TB carries a 2,400 TBW endurance rating, compared with 1,440 TBW for Samsung 870 QVO 4TB. TBW is a published write-endurance measure; match it to how often the drive will receive large or repeated writes.

Check the heatsink and physical clearance

Samsung 990 PRO 4TB with Heatsink NVMe SSD includes a heatsink, while Crucial T500 4TB NVMe SSD does not. Confirm clearance in the laptop, desktop or console, and follow the device maker’s SSD installation guidance.

Compare exact variants during Black Friday

Samsung 990 PRO 4TB with Heatsink NVMe SSD and Samsung 990 PRO 4TB without a heatsink are distinct configurations. Compare the complete model name, capacity, interface, warranty and included hardware rather than relying on a shortened listing title.

FAQ

Samsung 9100 PRO 4TB vs Samsung 870 QVO 4TB: which should I buy?

Samsung 9100 PRO 4TB M.2 NVMe SSD is the faster pick for a compatible PCIe 5.0 system, with reads up to 14,800 MB/s. Samsung 870 QVO 4TB 2.5-inch SATA SSD suits SATA-only computers and large everyday storage needs.

Is Samsung 870 QVO 4TB good for gaming?

Yes. Samsung 870 QVO 4TB 2.5-inch SATA SSD can store games and run in compatible SATA systems, with reads up to 560 MB/s. A PCIe 4.0 NVMe drive such as WD_BLACK SN850X 4TB offers much higher sequential throughput.

Does Samsung 9100 PRO 4TB fit a laptop?

Samsung 9100 PRO 4TB M.2 NVMe SSD fits a laptop only when the laptop supports an M.2 2280 PCIe NVMe drive and provides appropriate clearance and cooling. Check the service manual for interface, capacity and installation requirements first.

Is Samsung 870 QVO 4TB faster than Samsung 870 EVO 4TB?

No. Samsung 870 QVO 4TB and Samsung 870 EVO 4TB both list sequential reads up to 560 MB/s and writes up to 530 MB/s. Samsung 870 EVO uses TLC NAND and has a higher published endurance rating of 2,400 TBW.

Which 4TB SSD is the best value for Black Friday 2026?

Samsung 870 QVO 4TB 2.5-inch SATA SSD is a sensible value-focused choice for a compatible SATA computer needing large storage. Samsung 990 PRO 4TB with Heatsink NVMe SSD is a stronger all-round fit when PCIe 4.0 speed and gaming performance matter.

Do I need PCIe 5.0 for a Samsung 9100 PRO 4TB?

Samsung 9100 PRO 4TB M.2 NVMe SSD works best in a PCIe 5.0 x4 M.2 slot. A compatible earlier-generation PCIe slot can limit its speed, and a SATA-only connection does not support the NVMe drive.