Samsung T7 vs SanDisk Extreme: which is better?

Both reach ~1,050 MB/s on USB 3.2 Gen 2. Samsung T7: lighter (58g), more compact, better sustained write performance, available in Shield (rugged) variant. SanDisk Extreme: IP55 water/dust resistant, slightly higher write speeds in some tests, better grip design. Samsung T7 Shield adds rubber shock bumpers. Tiebreaker: check current $/TB on this tracker — prices fluctuate. For rugged outdoor use: SanDisk Extreme or Samsung T7 Shield. For daily portability: Samsung T7 standard.

Is USB4 worth it for external SSD?

USB4 (20–40Gbps) is worth it if your computer has USB4 or Thunderbolt 3/4 ports AND you regularly move very large files (50+ GB). Samsung T9 (USB4 20Gbps, 2,000 MB/s) vs Samsung T7 (10Gbps, 1,050 MB/s) — nearly 2× faster, ~30% higher cost. For typical use (photos, documents, occasional video), USB 3.2 Gen 2 at 1,000 MB/s is saturating enough that the difference feels minimal in practice. Check your laptop specs before buying USB4.

What is a good price per TB for an external SSD?

In 2026, good $/TB for consumer external SSDs: $60–$90/TB for 1TB drives, $45–$70/TB for 2TB drives, $35–$55/TB for 4TB drives. 4TB SanDisk Extreme (~$49/TB) and Crucial X9 (~$45/TB) typically offer the best $/TB at scale. Ultra-premium options (USB4, Thunderbolt) run $80–$160/TB. SSD prices per TB remain 3–5× higher than internal CMR hard drives — the premium is speed and portability, not raw storage.

What is the difference between USB 3.2 Gen 2 and Gen 2x2?

Gen 2 (single lane): 10Gbps = ~1,000 MB/s real throughput. Gen 2x2 (dual lane): 20Gbps = ~2,000 MB/s real throughput. Gen 2x2 requires a host port that supports it — most laptops only have Gen 2. Desktop PCs with recent Intel/AMD chipsets may have Gen 2x2 via USB-C. Crucial X10 Pro uses Gen 2x2 and achieves ~2,100 MB/s — nearly double T7/Extreme speed, but only useful if your host port supports it.

Are rugged external SSDs slower than regular ones?

No — rugged external SSDs use the same flash chips and controllers. The 'rugged' designation adds a rubber or silicone bumper, IP dust/water rating, and sometimes a tougher housing. Speed is unchanged: SanDisk Extreme (rugged, IP55) matches the non-rugged Samsung T7 at ~1,050 MB/s. Samsung T7 Shield adds rubber armor without speed penalty. Rugged = recommended if you travel frequently, work outdoors, or the drive will be in a bag with other gear.

Best External SSD Prices: $/TB Speed Comparison 2026

Q: What is the fastest external SSD in 2026?

The fastest consumer external SSDs in 2026 use USB4 (40Gbps) or Thunderbolt 4/3, achieving 2,500–5,000 MB/s theoretical throughput. In practice, NVMe drives in USB4/TB enclosures reach 2,000–3,000 MB/s read. Examples: OWC Envoy Pro FX (2,800 MB/s, Thunderbolt 3), SanDisk Professional Pro-G40 (2,000+ MB/s, Thunderbolt 3), Samsung T9 (2,000 MB/s, USB4 20Gbps), Crucial X10 Pro (2,100 MB/s, USB 3.2 Gen2x2).

Q: Is USB 3.2 Gen 2 fast enough for an external SSD?

USB 3.2 Gen 2 (10Gbps) caps at ~1,000 MB/s real throughput. Most consumer external SSDs (Samsung T7, SanDisk Extreme, WD My Passport SSD, Crucial X8/X9) are rated 1,050 MB/s and use USB 3.2 Gen 2 — so they max out the interface. This is fast enough for most use cases: video editing at 4K (80-250 MB/s), Plex or game streaming, backup. Only upgrade to Gen2x2 or USB4 if you regularly move 50+ GB files and need the extra throughput.

Q: What external SSD is compatible with PS5?

The PS5 requires an external SSD with USB 3.1 Gen 2 or higher (10Gbps) to run PS4 games from external storage. Compatible drives: Samsung T7 (1,050 MB/s, USB 3.2 Gen 2), SanDisk Extreme (1,050 MB/s), Crucial X8/X9 (1,050 MB/s), WD My Passport SSD. Note: PS5 games cannot run from external SSD — only PS4 games and media. For PS5 game storage expansion, you need an M.2 NVMe installed internally.

Q: Can I use an external SSD with a Mac?

Yes. All modern external SSDs work with Mac over USB-C. For the best experience: buy a drive with USB-C connector (most ship with USB-C and USB-A cables) and format as exFAT for Windows/Mac compatibility, or APFS for Mac-only. Time Machine works best with a drive formatted as APFS or Mac OS Extended (Journaled). USB4 drives are fully compatible with Thunderbolt 3/4 Macs. Crucial X9 Pro for Mac comes pre-formatted APFS.

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SSDs Tracked

Lowest $/TB

.50/TB.50/TB.50/TB5.00/TB5.00/TB5.00/TB5.00/TB

Avg $/TB

46.45/TB

1000+ MB/s

< 1000 MB/s

💰 SSD Storage Budget Calculator

See how much portable SSD storage your budget buys — and whether upgrading to USB4 speed is worth the cost.

Your Budget ($)

Min Speed

Use Case

How Much Should I Pay Per TB for an External SSD?

In 2026: $60–$90/TB for 1TB drives (T7, Extreme), $45–$70/TB for 2TB, $35–$55/TB for 4TB. USB4/Thunderbolt drives command a $25–$60/TB premium over USB 3.2 Gen 2 equivalents — justified only if your host port supports the extra bandwidth.

The Interface Trap

Buying a USB4 SSD for a laptop that only has USB 3.2 Gen 2 ports wastes money — the drive will top out at 1,000 MB/s regardless. Check your laptop spec sheet under "USB" before choosing an interface. This tracker shows both drive speed and interface ceiling.

⚡ USB Interface Speed Guide

The "read speed" on the box means nothing if your port can't deliver it. Here's the real bandwidth hierarchy.

Interface	Max Throughput	Typical Real-World	Connector	Common Drives
USB4 40Gbps	5,000 MB/s	3,000–4,500 MB/s	USB-C	Sabrent Rocket XTRM-Q
Thunderbolt 3/4	2,750–3,000 MB/s	2,000–2,800 MB/s	USB-C	OWC Envoy Pro FX, LaCie Rugged SSD Pro
USB4 20Gbps	2,500 MB/s	1,800–2,100 MB/s	USB-C	Samsung T9
USB 3.2 Gen 2x2	2,000 MB/s	1,800–2,100 MB/s	USB-C	Crucial X10 Pro, WD Black P50
USB 3.2 Gen 2	1,000 MB/s	900–1,050 MB/s	USB-C or USB-A	Samsung T7, SanDisk Extreme, Crucial X8/X9, WD My Passport SSD
USB 3.2 Gen 1 / USB 3.0	400 MB/s	300–400 MB/s	USB-A	Older portables, budget drives
USB 2.0	60 MB/s	40–55 MB/s	USB-A	Flash drives, legacy hardware

Rule: Check laptop spec sheet. "USB-C" ≠ fast. "Thunderbolt" or "USB4" = fast. "USB 3.0" = capped at 400 MB/s.

What Speed Do I Actually Need?

Video editing (4K H.264/H.265): 80–150 MB/s sustained — any USB 3.2 Gen 2 drive handles this fine. Video editing (8K RAW): 500–1,200 MB/s — needs USB4 or Thunderbolt. PS5 game storage (PS4 titles only): 50–250 MB/s — any USB 3.2 Gen 2 drive. General backup: USB 3.2 Gen 2 is more than sufficient.

Find the Right External SSD for Your Use Case

🎮 PS5 / Xbox Game Storage

Perfect for: Storing PS4 games on PS5, moving Xbox Game Pass titles, backing up game saves. Any USB 3.2 Gen 2 drive (1,000 MB/s) handles PS5 PS4 game launches. Samsung T7 and Crucial X8 are the most popular choices.

Popular: PS5 external SSD, best SSD for PS5 ps4 games, Xbox external SSD 2TB

💻 Mac / Time Machine Backup

Perfect for: MacBook backup via Time Machine, Final Cut Pro media drives, portable storage for Apple ecosystem. Format as APFS for best performance. Crucial X9 Pro for Mac comes pre-formatted. All USB-C SSDs work natively.

Popular: best external SSD for MacBook, Time Machine SSD, Mac portable drive 2TB

🎬 Video Editing / Creative

Perfect for: On-set video capture, 4K editing in DaVinci Resolve or Premiere, location shooting. Need ≥1,000 MB/s sustained. For 8K RAW: USB4 or Thunderbolt. Samsung T9, SanDisk Extreme Pro, OWC Envoy Pro are the go-to choices.

Popular: fastest external SSD video editing, SSD for DaVinci Resolve, 2000MB/s portable drive

🏕️ Travel / Outdoor / Rugged

Perfect for: Travel photography, fieldwork, outdoor shoots, gear bags. IP55 water and dust resistance, drop-tested housings. SanDisk Extreme, Samsung T7 Shield, and LaCie Rugged are the most durable options on the market.

Popular: rugged external SSD, waterproof portable drive, IP55 SSD USB-C

⚡ External SSD Price Tracker Loading…

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Drive	Capacity	$/TB ↑	Price	Read Speed	Interface	Port Max	Connector	Compatibility	Warranty	Condition	Rating	Trust	Buy
PAIYULE Carrying Case for Samsung T9/T7/T7 Shield Portable SSD 4TB 2TB 1TB, Hard Travel St… Samsung · Portable	4TB	$2.50	$9.99	Speed N/A		—	USB-C		📋 3yr	✅ Retail	⭐ 4.6	83	Buy →
ProCase Carrying Case for Samsung T7 Shield External SSD with 2 Cable Ties, Hard EVA Shock… Samsung · Portable	1TB	$9.99	$9.99	Speed N/A	USB 3.0	400 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.8	83	Buy →
WD 5TB My Passport, Portable External Hard Drive, Black, backup software with defense agai… WD · Portable	5TB	$43.60	$217.99	Speed N/A	USB 3.0	400 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.5	78	Buy →
WD 4TB My Passport, Portable External Hard Drive, Black, backup software with defense agai… WD · Portable	4TB	$49.99	$199.95	Speed N/A	USB 3.0	400 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.6	78	Buy →
WD 5TB My Passport Ultra, Blue, Portable External Hard Drive, backup software with defense… WD · Portable	5TB	$59.00	$294.99	Speed N/A	USB 3.0	400 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.5	78	Buy →
WD 2TB My Passport, Portable External Hard Drive, Black, backup software with defense agai… WD · Portable	2TB	$72.16	$144.32	Speed N/A	USB 3.0	400 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.6	78	Buy →
WD 2TB My Passport for Mac, Navy, Portable External Hard Drive with backup software and pa… WD · Portable	2TB	$87.50	$174.99	Speed N/A	USB 3.0	400 MB/s	USB-C	Mac	📋 3yr	✅ Retail	⭐ 4.4	73	Buy →
Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Co… Crucial · Portable	4TB	$94.39	$377.56	1050 MB/s	USB 3.0	400 MB/s	USB-C	MacWindowsAndroid	🔒 5yr	✅ Retail	⭐ 4.6	95	Buy →
Crucial X10 8TB Portable SSD, Up to 2,100MB/s, USB 3.2 USB-C, External Solid State Drive, … Crucial · Portable	8TB	$105.75	$845.99	2100 MB/s ⚡	USB 3.0	400 MB/s	USB-C	MacWindowsAndroid	🔒 5yr	✅ Retail	⭐ 4.5	100	Buy →
Crucial X10 6TB Portable SSD, Up to 2,100MB/s, USB 3.2 USB-C, External Solid State Drive, … Crucial · Portable	6TB	$107.33	$643.99	2100 MB/s ⚡	USB 3.0	400 MB/s	USB-C	MacWindowsAndroid	🔒 5yr	✅ Retail	⭐ 4.5	100	Buy →
WD 1TB My Passport, Portable External Hard Drive, Black, backup software with defense agai… WD · Portable	1TB	$120.46	$120.46	Speed N/A	USB 3.0	400 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.6	78	Buy →
Vansuny 1TB USB Solid State Drive Up to 1000MB/s 3.2 Gen 2 Dual SSD USB A + Type C Portabl… · Portable	1TB	$129.99	$129.99	1000 MB/s		—	USB-A	MacWindowsAndroid	⚠️ 1yr	✅ Retail	⭐ 4.2	75	Buy →
Crucial X9 2TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Co… Crucial · Portable	2TB	$134.50	$268.99	1050 MB/s	USB 3.0	400 MB/s	USB-C	MacWindowsAndroid	🔒 5yr	✅ Retail	⭐ 4.6	95	Buy →
SANDISK 2TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - Externa… SanDisk · Portable	2TB	$135.00	$269.99	800 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.6	83	Buy →
Crucial X10 2TB Portable SSD, Up to 2,100MB/s, USB 3.2 USB-C, External Solid State Drive, … Crucial · Portable	2TB	$137.10	$274.21	2100 MB/s ⚡	USB 3.0	400 MB/s	USB-C	MacWindowsAndroid	🔒 5yr	✅ Retail	⭐ 4.5	100	Buy →
SANDISK 2TB Extreme Portable SSD (Old Model) - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 … SanDisk · Portable	2TB	$140.25	$280.49	1050 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.6	88	Buy →
Crucial X9 1TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Co… Crucial · Portable	1TB	$142.03	$142.03	1050 MB/s	USB 3.0	400 MB/s	USB-C	MacWindowsAndroid	🔒 5yr	✅ Retail	⭐ 4.6	95	Buy →
Samsung T7 2TB External USB 3.2 Gen 2 Portable SSD w/ Hardware Encryption - Gray (Renewed) Samsung · Portable	2TB	$149.50	$299.00	Speed N/A	USB 3.2 Gen2	1000 MB/s	USB-C		📋 3yr	♻️ Renewed	⭐ 5.0	58	Buy →
KingSpec MemoStone ZS301 2TB Portable SSD, USB-C External Solid State Drive with 1900MB/s,… · Portable	2TB	$149.99	$299.97	1900 MB/s	USB 3.2 Gen2x2	2000 MB/s	USB-C	PS5XboxMacWindows	⚠️ 1yr	✅ Retail	⭐ 4.2	75	Buy →
Crucial X9 Pro 2TB Portable SSD, Up to 1050MB/s Read & Write, 3.2 USB-C, External Solid St… Crucial · Portable	2TB	$150.00	$299.99	1050 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C	MacWindows	🔒 5yr	✅ Retail	⭐ 4.5	95	Buy →
Lexar ES3 1TB External SSD, USB 3.2 Gen2 Portable SSD, PSSD Up to 1050MB/s Read, 1000MB/s … Lexar · Portable	1TB	$152.99	$152.99	1050 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C	PS5XboxMacWindows	⚠️ 1yr	✅ Retail	⭐ 4.4	75	Buy →
Lexar ES3 1TB External SSD, USB 3.2 Gen2 Portable SSD, PSSD Up to 1050MB/s Read, 1000MB/s … Lexar · Portable	1TB	$152.99	$152.99	1050 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C	PS5XboxMacWindows	⚠️ 1yr	✅ Retail	⭐ 4.4	75	Buy →
SANDISK 1TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - Externa… SanDisk · Portable	1TB	$169.06	$169.06	800 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.6	83	Buy →
Western Digital 2TB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and … Western Digital · Portable	2TB	$175.50	$350.99	Speed N/A		—	USB-C		📋 3yr	✅ Retail	⭐ 4.5	78	Buy →
SSK Portable SSD 500GB External Solid State Drives, up to 1050MB/s USB C SSD External Hard… · Portable	0.5TB	$179.98	$89.99	1050 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C	MacWindowsAndroid	⚠️ 1yr	✅ Retail	⭐ 4.4	75	Buy →
Crucial X6 1TB Portable SSD – Up to 800MB/s, USB 3.2 – External Solid State Drive for PC, … Crucial · Portable	1TB	$179.99	$179.99	800 MB/s	USB 3.0	400 MB/s	USB-C	PS5XboxMacWindows	🔒 5yr	✅ Retail	⭐ 4.5	90	Buy →
Samsung T7 Portable SSD, 2TB External Solid State Drive, Speeds Up to 1,050MB/s, USB 3.2 G… Samsung · Portable	2TB	$181.50	$362.99	1050 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C	Windows	📋 3yr	✅ Retail	⭐ 4.7	88	Buy →
WD 2TB My Passport SSD Portable External Solid State Drive, Blue, Sturdy and Blazing Fast,… WD · Portable	2TB	$182.50	$365.00	Speed N/A		—	USB-C		📋 3yr	✅ Retail	⭐ 4.5	78	Buy →
Western Digital 1TB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and … Western Digital · Portable	1TB	$185.00	$185.00	Speed N/A		—	USB-C		📋 3yr	✅ Retail	⭐ 4.5	78	Buy →
Sandisk 1TB Extreme Portable SSD (Old Model) - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 … SanDisk · Portable	1TB	$189.99	$189.99	1050 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.6	88	Buy →
WD_Black SN7100 1TB NVMe SSD - Gen4 PCIe, M.2 2280, Up to 7,250 MB/s Read Speed, Up to 6,9… · Portable	1TB	$189.99	$189.99	7250 MB/s ⚡		—	USB-C	Windows	📋 3yr	✅ Retail	⭐ 4.8	93	Buy →
Samsung T9 Portable SSD 1TB, USB 3.2 Gen 2x2 External Solid State Drive, Seq. Read Speeds … Samsung · Portable	1TB	$199.99	$199.99	2000 MB/s ⚡	USB 3.2 Gen2x2	2000 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.7	93	Buy →
Samsung MU-PE4T0S/AM T7 4TB Shield Portable SSD, USB 3.2, Black Bundle with Hard Shell Cas… Samsung · Portable	4TB	$200.00	$799.99	Speed N/A	USB 3.0	400 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.3	73	Buy →
Samsung T9 Portable SSD 2TB, USB 3.2 Gen 2x2 External Solid State Drive, Seq. Read Speeds … Samsung · Portable	2TB	$217.00	$434.00	2000 MB/s ⚡	USB 3.2 Gen2x2	2000 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.7	93	Buy →
Samsung T7 Portable SSD - 1 TB - USB 3.2 Gen.2 External SSD Titanium Grey (MU-PC1T0T/WW) Samsung · Portable	1TB	$219.00	$219.00	Speed N/A	USB 3.0	400 MB/s	USB-C	Windows	📋 3yr	✅ Retail	⭐ 4.7	78	Buy →
Samsung T7 Portable SSD, 1TB External Solid State Drive, Speeds Up to 1,050MB/s, USB 3.2 G… Samsung · Portable	1TB	$219.99	$219.99	1050 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C	Windows	📋 3yr	✅ Retail	⭐ 4.7	88	Buy →
Corsair EX400U Survivor 1TB USB4 External SSD – Up to 4000 MB/s, IP55 Rugged Drive, Plug &… · Rugged	1TB	$264.99	$264.99	4000 MB/s ⚡		—	USB-C	MaciPadWindows	⚠️ 1yr	✅ Retail	⭐ 4.8	85	Buy →
Samsung T7 Shield 1TB, up to 1050MB/s, USB 3.2 Gen2, Rugged, IP65 Rated, for Photographers… Samsung · Portable	1TB	$283.53	$283.53	1050 MB/s	USB 3.2 Gen2	1000 MB/s	USB-C		📋 3yr	✅ Retail	⭐ 4.7	88	Buy →

External SSD FAQ

What is the fastest external SSD in 2026?

USB4 40Gbps and Thunderbolt 3/4 drives achieve 2,000–3,000 MB/s real throughput. OWC Envoy Pro FX (2,800 MB/s, Thunderbolt 3), Samsung T9 (2,000 MB/s, USB4 20Gbps), and Crucial X10 Pro (2,100 MB/s, Gen2x2) are the current leaders in consumer price/performance.

Is USB 3.2 Gen 2 fast enough for an external SSD?

Yes for most users. USB 3.2 Gen 2 tops at ~1,000 MB/s — enough for 4K video editing, Plex, and fast backup. You'd need USB4 or Thunderbolt only for 8K RAW, ProRes RAW, or moving 100+ GB files regularly. Check your laptop spec sheet before upgrading.

What external SSD is compatible with PS5?

PS5 needs USB 3.1 Gen 2 (10Gbps) minimum for PS4 game storage. Samsung T7, SanDisk Extreme, Crucial X8/X9, and WD My Passport SSD all qualify. Note: PS5 native games cannot run from external SSD — only PS4 games. For PS5 game storage, install M.2 NVMe internally.

Samsung T7 vs SanDisk Extreme — which to buy?

Both do ~1,050 MB/s on USB 3.2 Gen 2. Samsung T7 = lighter, more compact. SanDisk Extreme = IP55 weather resistance. For rugged use: SanDisk Extreme or Samsung T7 Shield. For everyday carry: Samsung T7 base model. Tiebreaker: current $/TB on this tracker.

Is USB4 worth the extra cost?

Only if your host port supports USB4 or Thunderbolt 3/4, AND you regularly move 50+ GB files. Samsung T9 (USB4 20Gbps) vs T7 (Gen 2): ~2× faster, ~30% more expensive. For most portable storage needs, USB 3.2 Gen 2 is plenty fast.

What is a good price per TB for external SSD?

In 2026: $60–$90/TB for 1TB, $45–$70/TB for 2TB, $35–$55/TB for 4TB. SSDs remain 3–5× more expensive per TB than internal HDDs — the premium covers speed, portability, and durability. 4TB models offer the best $/TB at scale.

Can I use an external SSD with a Mac?

Yes. All USB-C SSDs work with Mac. For Time Machine: format as APFS (Mac only) or exFAT (cross-platform). Crucial X9 Pro for Mac comes pre-formatted APFS. USB4 drives are fully compatible with Thunderbolt 3/4 MacBooks.

Are rugged external SSDs slower?

No. Rugged = same internals + protective housing. SanDisk Extreme (IP55, rugged) matches Samsung T7 (non-rugged) at ~1,050 MB/s. Samsung T7 Shield adds rubber armor with no speed penalty. Go rugged if you travel frequently or work outdoors.

USB 3.2 Gen 2 vs Gen 2x2 — what's the difference?

Gen 2 (single lane) = 10Gbps = ~1,000 MB/s. Gen 2x2 (dual lane) = 20Gbps = ~2,000 MB/s. Gen 2x2 requires a host port that supports it — rare on laptops, available on recent desktop boards. Crucial X10 Pro uses Gen 2x2 and hits ~2,100 MB/s when connected to a compatible port.