Name: SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND
Brand: Sandisk
SKU: d1ff814d-0577-4f0e-996a-53e5793accef
Availability: InStock

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Description

Data strategy. not just data storageUltrastar NVMe enterprise SSDs continue to be the ideal solution for cloud and server providers who need performant. high-capacity. cost-optimized. read-intensive performance for their data-intensive applications.Unlocking the Full Potential of Enterprise SSDsWith dual-port redundancy and failover capability. end-to-end data protection and additional enterprise features. Ultrastar DC SN655 NVMe SSDs help ensure your data is secure and available when needed. With high-capacity. low-latency performance reaching up to 1.1M IOPs. storage providers are efficiently able to increase capacity for modern applications processing large unstructured datasets and are reducing time-to-insights of big data and enabling efficient machine learning.Features Ultrastar DC SN655 NVMe SSDs includes the next generation Western Digital NVMe 1.4b controller with PCIe Generation 4.0 interface and Western Digital BiCS5 TLC 3D NAND to enable higher capacities and performance at scale for increasingly larger application workloads. Designed and built for the standard 2.5” SSD storage infrastructure. the SN655 includes support for U.2 and U.3 backplanes and features power loss protection and 2.5M MTBF (projected) and 1.0 DW/D with a 5 year limited warranty.Emerging WorkloadsUltrastar DC SN65x NVMe SSDs are optimized for cloud and scaleout workloads. providing high QoS consistency for the emerging workloads for big data. artificial intelligence. and machine learning that are increasing in size and complexity making them the ideal solution for scaling capacity and maximizing GB/watt.

Full specifications

Marque	Sandisk
Référence fabricant	0ts2467

The SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND in its market context in 2026

Choosing the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND means opting for the expertise of Sandisk in the SSD & disques durs category. Its price starting from £2,991.42 makes it a serious option on the market. Buyers interested in this brand also look at the SanDisk Max Endurance 128 GB MicroSDXC UHS-I Class 10 to complete their comparison. On Compiral, all displayed prices are updated regularly and retailers are selected for their reliability and quality of customer service.

Sandisk: what this model offers

What buyers remember about the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND: consistent quality, intuitive use and a price that stays within market norms for this level of performance. The positioning of Sandisk on the SSD & disques durs segment ensures access to spare parts and a structured after-sales service, which matters greatly in the long run. A solid choice in 2026, whether for a new purchase or to replace a failing device. Also discover the SanDisk Ultra GO 128 GB SDXC UHS-I from the same brand for a second level of comparison.

The strengths that really make a difference

What truly differentiates the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND from other products in the SSD & disques durs category comes down to a few concrete points: the build quality typical of Sandisk, its availability from many retailers and accessible after-sales support. These criteria, often decisive for buyers, favour this model over alternatives on the market in 2026. Compare with the SanDisk Max Endurance 128 GB MicroSDXC UHS-I Class 10 if you wish to explore other models from the brand.

What you need to know before buying

Before buying the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND, check the following points: stock availability at your chosen retailer, the returns policy, warranty period and delivery charges. These details are accessible from our offers table at the top of this page. Sandisk generally offers a well-structured after-sales network for the SSD & disques durs category. You will find complementary products in our Laptops section.

Market price ranges in 2026

Range	Indicative price	For whom	What you get
Entry-level	Under 384300 £	Tight budget, occasional use	Essential features, reliable for beginners
Mid-range	384300 £ to 896710 £	Regular daily use	Good value for money, solid performance
High-end	Over 896710 £	Demanding users	The best of the category, all advanced features

Comparing prices before buying the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND can save you between £10 and £40 depending on the retailer and the time of year. Use Compiral to never overpay for your online purchases. The 4 offers listed on this page all come from verified retailers with sales conditions compliant with consumer protection law.

Frequently asked questions about SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND

Is there a refurbished version of the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND?

Refurbished versions of the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.

When do prices for the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND drop during the year?

Prices for the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the SSD & disques durs category.

Is delivery free for the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND at all retailers?

Free delivery is not guaranteed for the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.

How do I return the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND if I am not satisfied?

You have a 14-day right of withdrawal for any online purchase, applicable to the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.

Is the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND worth its price in 2026?

In 2026, the SanDisk DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND is listed from £2,991.42 at our partner retailers. This price is consistent with the positioning of Sandisk in the SSD & disques durs category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.