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Kioxia’s new LD4 Series is an E1.L data-center SSD built with BiCS FLASH generation 8 QLC. Kioxia lists 15.36TB and 30.72TB models; the headline figure of up to 122.88TB is a maximum enabled by a validated architecture, not a capacity point the company lists as currently available. The drives are sampling to selected customers, with no general availability date or price announced.
What Kioxia announced
The LD4 Series is Kioxia’s first E1.L SSD using its BiCS FLASH generation 8 QLC memory. The company positions it for high-density 1U servers and read-intensive storage in hyperscale data centers, rather than as a consumer drive. Kioxia’s October 9, 2026 announcement describes the product and its intended environments.
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Is the 122.88TB version available now?
Not according to the announcement. Kioxia lists 15.36TB and 30.72TB capacity points and says its validated architecture enables capacities up to 122.88TB. That maximum should not be read as a listed model available for order. Kioxia defines TB using decimal bytes and notes that formatted capacity can vary. The drives are sampling to selected customers; Kioxia has not announced a general availability date or price.
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| Item | What Kioxia states |
|---|---|
| Product | LD4 Series, Kioxia’s first E1.L SSD using BiCS FLASH generation 8 QLC |
| Listed capacities | 15.36TB and 30.72TB (Kioxia Corporation, 2026) |
| Architecture maximum | Up to 122.88TB enabled by a validated architecture; not stated as a currently listed capacity point (Kioxia Corporation, 2026) |
| Interface and protocol | PCIe 5.0, up to 16 GT/s x4; NVMe 2.0e compliance |
| Specification support | OCP Datacenter NVMe SSD Specification v2.6 |
| Port design | Single-port |
| Availability status | Sampling to selected customers |
| Price, general availability date, endurance, power draw, measured performance | Not stated in Kioxia’s October 9, 2026 announcement |
Interface and specification compliance identify supported standards; they do not establish real-world throughput, endurance, power consumption, or suitability for a particular server. Kioxia’s release provides no measured LD4 performance results or endurance rating.
#1 Best Overall
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What E1.L means for server compatibility
E1.L belongs to the Enterprise and Datacenter Standard Form Factor (EDSFF) family. Kioxia’s form-factor overview describes an E1.L symmetric enclosure measuring 9.5mm thick, 38.4mm wide, and 318.75mm long. Those dimensions describe the form factor, not a guarantee that the drive fits every server: confirm support with the specific chassis, connector, and backplane documentation. See Kioxia Europe’s EDSFF E1 overview, which says its information is believed accurate as of October 2025 and may change.
Why Kioxia is targeting read-intensive storage
QLC is the flash type Kioxia chose for this high-capacity product. In a regional announcement, Kioxia America senior vice president and SSD business-unit general manager Neville Ichhaporia said QLC is compelling for read-intensive applications because of the capacity and read performance needed for large AI data stores. That is Kioxia’s rationale, not independent evidence of LD4 benchmark results. The release does not provide workload-specific measurements with which to assess the drive’s performance.
Rank #2
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- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Kioxia said it planned to showcase the LD4 Series at the OCP Global Summit in San Jose, October 12–15, 2026. The event appearance does not change the announced sampling status or establish a sales date.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
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- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Rank #3
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- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
What to check before evaluating an LD4 deployment
- Confirm whether the capacity under consideration is one of the listed 15.36TB or 30.72TB points, rather than the 122.88TB architecture maximum.
- Verify E1.L chassis and backplane support for the exact server platform.
- Check the intended workload and obtain endurance, power, thermal, and performance specifications from the supplier; these are not stated in the announcement.
- Request comparable workload-specific measurements and confirm pricing and delivery timing when Kioxia or an authorized supplier provides them.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
