10Gtek Dual SFF-8654 PCIe 4.0 Alternatives: 6 Similar Picks Compared

Comparing PCIe 4.0 Storage Options

Seagate FireCuda 520 1TB PCIe 4.0 SSD

The Seagate FireCuda 520 is a standalone NVMe drive, not an adapter card. It connects directly via M.2, so you do not need motherboard bifurcation support to recognize both drives. This makes it far simpler for laptops and compact builds where space is tight. You gain a complete storage solution with verified endurance and reliability. However, you lose the ability to expand using U.2 drives or access dual ports on a single PCIe slot. If you need raw speed in a small form factor without complex cabling, this standalone SSD is the practical choice over the 10Gtek adapter.

XPG GAMMIX S50 Lite 2TB PCIe 4.0 NVMe SSD

The XPG GAMMIX S50 Lite is a 2TB M.2 NVMe drive, offering a different approach to storage expansion. It plugs directly into an M.2 slot, eliminating the need for SFF-8654 cables or bifurcation settings. You get double the capacity of many standard drives in a familiar form factor. This model suits AMD X570 users who prioritize warranty and capacity over peak theoretical speeds. You give up the dual-drive density of the 10Gtek card, but you gain simplicity. If you want high capacity without managing multiple drives or complex motherboard configurations, this single large drive is the better path.

Samsung 980 PRO 1TB PCIe 4.0 SSD

The Samsung 980 PRO is a compact 1TB PCIe 4.0 SSD designed for gamers. It fits standard M.2 slots, so you avoid the need for adapter cards and U.2 cables entirely. This removes the requirement for motherboard bifurcation support, making installation straightforward. You get reliable PCIe 4.0 performance in a small package. The trade-off is capacity and density. You get only one drive instead of two, and less total space. If you prioritize speed and ease of use in a standard desktop build over dense storage arrays, this compact SSD is the logical alternative to the 10Gtek adapter.

TEAMGROUP CARDEA A440 1TB PCIe 4.0 SSD

The TEAMGROUP CARDEA A440 includes a dedicated heatsink for thermal management. It is a 1TB M.2 drive, not an adapter. You do not need bifurcation or SFF-8654 cables. This model suits users who prioritize cooling and high bandwidth in a standard form factor. The aluminum heatsink helps maintain speeds under load. You give up the ability to connect two U.2 drives simultaneously. However, you gain a self-contained solution with integrated cooling. If you are concerned about thermal throttling in a compact build and do not need dual U.2 ports, this heated M.2 drive is the superior choice.

Mushkin Gamma 2TB PCIe 4.0 NVMe SSD

The Mushkin Gamma is a 2TB QLC PCIe 4.0 NVMe drive. It connects via M.2, bypassing the need for the 10Gtek adapter and its bifurcation requirements. This model is optimized for PS5 expansion and gaming. You get high read speeds and significant capacity in a single drive. The QLC NAND offers more storage per dollar but may have lower write endurance than TLC options. You lose the dual-drive density of the adapter. If you need large capacity for gaming or PS5 use without complex cabling, this standalone SSD is the practical alternative.

Seagate FireCuda 530 4TB PCIe 4.0 SSD

The Seagate FireCuda 530 is a 4TB PCIe 4.0 NVMe drive. It uses the M.2 form factor, so you do not need the 10Gtek adapter or bifurcation support. This model delivers top-tier speeds for users who prioritize performance and large capacity. You get a single, high-capacity drive that fits standard slots. The trade-off is density. You cannot connect two drives to one PCIe slot like the 10Gtek card. If you need massive storage space and high speed without managing multiple smaller drives or complex motherboard settings, this large M.2 SSD is the better option.

Quick picks

Our 7 picks

1 Best overall

10Gtek Dual SFF-8654 PCIe 4.0 x8 Adapter Card

Best for: Dual U.2 NVMe drive expansion

Interface

PCIe 4.0 x8

Dimensions

0.1 × 0.1 × 0.1 inches

View on Amazon: 10Gtek Dual SFF-8654 PCIe 4.0 x8 Adapter Card Affiliate link

This adapter card converts a single PCIe 4.0 x8 slot into two SFF-8654 ports. You can connect two U.2 NVMe SSDs using the included cables. The board uses an 85Ohm PCB for optimal signal traces. It comes with both full-height and low-profile brackets. Your motherboard must support PCIe bifurcation to recognize both drives simultaneously. It does not support SAS or SATA drives.

Pros

• Supports dual U.2 NVMe SSDs via SFF-8654 ports
• Includes both full-height and low-profile mounting brackets
• Uses 85Ohm PCB for optimal signal traces
• Compatible with PCIe 4.0 x8 slots

Cons

• Requires motherboard and BIOS to support PCIe bifurcation
• Does not support SAS or SATA SSDs
• Does not support hot swapping

Good fit if

• You need to connect two U.2 NVMe drives to a single PCIe slot
• Your motherboard supports PCIe bifurcation settings
• You are building a server or storage array with U.2 drives

Skip if

• You plan to use SAS or SATA SSDs
• Your motherboard does not support PCIe bifurcation
• You require hot-swappable drive capabilities

Verdict: 10Gtek PCIe 4.0 x8 to Dual SFF-8654 Adapter is a specialized tool for users who need to expand storage using U.2 NVMe drives in systems with bifurcation support. It fits those building dense storage arrays rather than standard desktop gaming PCs.

2 Best budget

Seagate FireCuda 520 1TB PCIe 4.0 SSD

Best for: Laptops and compact high-performance builds

Storage Capacity

1TB

Interface

PCIe Gen4 X4

Max Read Speed

Up to 5000MB/s

Max Write Speed

Up to 4400MB/s

Compatibility

Laptop, Desktop, Gaming

Dimensions

3.15 × 0.87 × 0.08 inches

View on Amazon: Seagate FireCuda 520 1TB PCIe 4.0 SSD Affiliate link

The Seagate FireCuda 520 is a PCIe Gen4 x4 NVMe drive designed for high-performance gaming PCs and creative workstations. It offers sequential read speeds up to 5000MB/s and write speeds up to 4400MB/s. This 1TB model fits in M.2 slots, making it suitable for laptops and desktops. It includes a 3-year Rescue Service and a 2800TBW endurance rating.

Pros

• Sequential read speeds up to 5000MB/s
• Sequential write speeds up to 4400MB/s
• 2800TBW endurance rating
• 3-year Rescue Service included

Cons

• Lower write speeds than the 4TB FireCuda 530 on this list
• No heatsink included for the 0.08-inch version
• 1TB capacity is smaller than several competitors

Good fit if

• You need a fast drive for a laptop with limited space
• You want a reliable drive with a strong endurance rating
• You are building a high-performance gaming PC

Skip if

• You need the maximum possible read speeds available
• You require more than 1TB of storage
• You want a drive with a built-in heatsink

Verdict: Seagate FireCuda 520 1TB delivers strong Gen4 performance for laptops and compact builds. It suits users who prioritize endurance and reliability over raw peak speed or extra capacity.

3 Also great

XPG GAMMIX S50 Lite 2TB PCIe 4.0 NVMe SSD

Best for: AMD X570 users needing 2TB capacity

Storage Capacity

2TB

Interface

PCIe Gen4 x4 NVMe 1.4

Form Factor

M.2 2280

Dimensions

3.15 × 0.87 × 0.17 inches

Weight

0.35 ounces

View on Amazon: XPG GAMMIX S50 Lite 2TB PCIe 4.0 NVMe SSD Affiliate link

This is the XPG GAMMIX S50 Lite, a 2TB M.2 2280 SSD using PCIe Gen4 x4 NVMe 1.4. It delivers sequential read speeds of 3900 MB/s and write speeds of 3200 MB/s. The drive uses high-density 3D NAND for durability. It is designed to work well with AMD X570 chipsets and 3rd Gen Ryzen processors. You get a five-year manufacturer warranty with this unit.

Pros

• 2TB storage capacity
• PCIe Gen4 x4 NVMe 1.4 interface
• 3900 MB/s sequential read speed
• 3200 MB/s sequential write speed
• Five-year manufacturer warranty

Cons

• Lower speeds than premium Gen4 alternatives
• No included heatsink
• Not compatible with Mac systems

Good fit if

• You need 2TB of fast storage
• You use an AMD X570 motherboard
• You want a reliable drive with a long warranty

Skip if

• You require Mac compatibility
• You need the fastest possible Gen4 speeds
• You want a drive with a built-in heatsink

Verdict: XPG GAMMIX S50 Lite 2TB PCIe 4.0 SSD offers solid Gen4 performance for AMD users. It fits those who prioritize capacity and warranty over top-tier speed.

4 Also great

Samsung 980 PRO 1TB PCIe 4.0 SSD

Best for: Gamers needing compact PCIe 4.0 speed

Storage Capacity

1TB

Interface

PCIe 4.0 NVMe

Form Factor

M.2

Dimensions

3.21 × 0.87 × 0.09 inches

View on Amazon: Samsung 980 PRO 1TB PCIe 4.0 SSD Affiliate link

The Samsung 980 PRO is a 1TB M.2 NVMe drive using PCIe 4.0 and V-NAND technology. It measures 3.21 by 0.87 by 0.09 inches. This drive targets gamers and users needing high bandwidth for data analytics. It fits standard M.2 slots. You get reliable throughput for heavy-duty applications without the need for additional cooling hardware.

Pros

• PCIe 4.0 interface for high bandwidth
• 1TB storage capacity
• V-NAND technology for throughput
• Compact M.2 form factor

Cons

• No included heatsink
• 1TB capacity is smaller than 2TB or 4TB alternatives
• No DRAM cache listed in specs

Good fit if

• You need a standard M.2 drive for gaming
• You want PCIe 4.0 speeds without extra bulk
• You are building a compact PC

Skip if

• You require a drive with an integrated heatsink
• You need more than 1TB of storage
• You are looking for a PCIe 5.0 option

Verdict: Samsung 980 PRO 1TB PCIe 4.0 SSD delivers solid PCIe 4.0 performance in a compact M.2 package. It is a practical choice for gamers who prioritize speed and standard form factors over larger capacities or built-in cooling.

5 Best heatsink

TEAMGROUP CARDEA A440 1TB PCIe 4.0 SSD

Best for: High-speed PCIe 4.0 storage with cooling

Storage Capacity

1TB

Interface

PCIe Gen4 x4, NVMe

Form Factor

M.2 2280

Max Read Speed

7,000 MB/s

Max Write Speed

5,500 MB/s

Cache Type

DRAM, SLC Cache

View on Amazon: TEAMGROUP CARDEA A440 1TB PCIe 4.0 SSD Affiliate link

This PCIe 4.0 NVMe drive uses a Phison E18 controller to reach 7,000 MB/s read speeds. It includes a graphene and aluminum heatsink to manage heat. The 1TB capacity fits M.2 2280 slots. You get DRAM and SLC cache for consistent performance. It suits users needing high throughput and effective cooling for demanding tasks or console upgrades.

Pros

• 7,000 MB/s sequential read speed
• Graphene and aluminum heatsink included
• Phison E18 controller
• DRAM and SLC cache support

Cons

• 1TB capacity is smaller than 2TB or 4TB options
• Aluminum heatsink height may not fit all PS5 slots
• No warranty details beyond 5-year or TBW limit

Good fit if

• You need fast PCIe 4.0 speeds for heavy workloads
• You want effective cooling for an M.2 slot
• You are upgrading a PlayStation 5 with a compatible drive

Skip if

• You require more than 1TB of storage space
• Your system lacks PCIe 4.0 support
• You prefer drives with larger standard heatsinks

Verdict: TEAMGROUP T-Force CARDEA A440 1TB Heatsink SSD delivers top-tier PCIe 4.0 speeds with a dedicated cooling solution. It is the right pick for users prioritizing thermal management and high bandwidth in an M.2 form factor.

6 Best qlc

Mushkin Gamma 2TB PCIe 4.0 NVMe SSD

Best for: PS5 storage expansion and gaming

Storage Capacity

2TB

Interface

PCIe Gen4 x4, NVMe 1.3

Form Factor

M.2 2280

Max Read Speed

7,175 MB/s

Max Write Speed

6,800 MB/s

Compatibility

PS5, Gaming

View on Amazon: Mushkin Gamma 2TB PCIe 4.0 NVMe SSD Affiliate link

This Mushkin drive uses QLC NAND on a PCIe 4.0 x4 interface. It reaches 7,175 MB/s read and 6,800 MB/s write speeds. The Phison E18 controller manages the data flow. It fits M.2 2280 slots in PCs and PS5 consoles. You get hardware encryption for security. The 2TB capacity offers ample space for large files and games.

Pros

• PCIe 4.0 x4 interface for fast data transfer
• 7,175 MB/s sequential read speed
• Phison E18 controller for reliable performance
• Compatible with PS5 and desktop PCs

Cons

• QLC NAND limits sustained write endurance
• NVMe 1.3 protocol lacks newer features
• No included heatsink for thermal management

Good fit if

• You need high capacity for PS5 storage expansion
• You want fast load times for gaming
• You require hardware encryption for data security

Skip if

• You need the highest sustained write speeds for heavy video editing
• You prefer TLC NAND for better longevity
• You want the latest NVMe 2.0 protocol

Verdict: Mushkin Gamma 2TB QLC SSD delivers strong read speeds and PS5 compatibility. It suits gamers who prioritize capacity and speed over maximum write endurance.

7 Best premium

Seagate FireCuda 530 4TB PCIe 4.0 SSD

Best for: High-speed storage and large capacity needs

Storage Capacity

4TB

Interface

PCIe Gen4 ×4 NVMe 1.4

Max Read Speed

7300 MB/s

Max Write Speed

6900 MB/s

Form Factor

M.2

Compatibility

PS5

View on Amazon: Seagate FireCuda 530 4TB PCIe 4.0 SSD Affiliate link

The Seagate FireCuda 530 is a high-performance internal SSD designed for demanding workloads. It features a 4TB capacity and PCIe Gen4 x4 NVMe 1.4 interface. Read speeds reach 7300 MB/s, while write speeds hit 6900 MB/s. This drive suits users needing fast data transfer and ample storage for large media libraries or intensive computing tasks.

Pros

• 7300 MB/s max read speed
• 6900 MB/s max write speed
• 4TB storage capacity
• PCIe Gen4 x4 NVMe 1.4 interface

Cons

• No included heatsink
• Only 3.2 inches long
• No DRAM cache mentioned

Good fit if

• You need maximum sequential read speeds
• You require 4TB of storage space
• You are building a PS5 or high-end PC

Skip if

• You need an SSD with a built-in heatsink
• You require a smaller form factor than M.2 2280
• You are looking for a budget-friendly option

Verdict: Seagate FireCuda 530 4TB PCIe 4.0 SSD delivers top-tier speeds for users who prioritize performance and capacity over thermal solutions.

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