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Dell JV70F-HIGH PROFILE BOSS-S1 M.2 SSD Controller

Dell BOSS-S1 controller card that hosts two M.2 SATA SSDs in a single PCIe x8 slot for optimized server boot storage.

$99.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Dell BOSS-S1 (Boot Optimized Server Storage) controller card, part number JV70F, is engineered to solve a common server storage challenge: dedicating fast, reliable boot media without consuming valuable drive bays. The card installs into a single PCIe x8 slot and provides two M.2 Key M slots that accept 2280 form factor SATA SSDs. With built-in hardware RAID 1 support, administrators can mirror the boot volume across both drives, ensuring the server can continue operating even if one SSD fails — a critical capability for production environments where uptime matters.

This high-profile variant ships with a full-height PCIe bracket, making it a direct fit for standard Dell PowerEdge 14th-generation rack and tower servers. By offloading the operating system and boot partition to the BOSS-S1, all front-accessible drive bays remain available for data storage, virtual machine datastores, or other workloads managed by the server's primary RAID controller. While the card is limited to SATA-speed M.2 drives rather than NVMe, boot workloads are not typically bandwidth-constrained, making this a practical and cost-effective approach to server boot storage architecture.

Key Features

MANUFACTURER: DELL

PART NUMBER: JV70F-HIGH PROFILE

DEVICE TYPE: PCIE TO M.2 ADAPTER

CARD INTERFACE: PCI-E X8

SLOTS: ( 2 ) TWO M.2 SLOTS 2280

Specifications

Brand
Dell
Part Number
JV70F-HIGH PROFILE
Device Type
Boot Optimized Server Storage (BOSS-S1) Controller Card
Card Interface
PCI-E x8
M.2 Slots
2 x M.2 Key M (2280)
Supported M.2 Form Factor
2280
Bracket Profile
High Profile

Pros & Cons

👍 Pros

  • Frees up front drive bays by moving the boot volume to a dedicated M.2 controller card
  • Supports two M.2 2280 SATA SSDs with hardware RAID 1 for boot drive redundancy
  • PCIe x8 interface ensures reliable, high-bandwidth communication with the server
  • High-profile bracket fits standard full-height server expansion slots out of the box
  • Genuine Dell OEM part ensures validated compatibility with supported PowerEdge servers

👎 Cons

  • Supports only M.2 SATA drives, not faster NVMe SSDs
  • Compatibility is limited to specific Dell PowerEdge server generations
  • M.2 SSDs must be purchased separately, adding to the total cost
  • High-profile bracket will not fit low-profile or half-height chassis without a bracket swap

Frequently Asked Questions

It is a Boot Optimized Server Storage controller that holds up to two M.2 2280 SATA SSDs in a single PCIe slot, dedicated to hosting the server's operating system and boot partition so that primary storage bays remain available for data drives.
No, the BOSS-S1 supports only M.2 SATA SSDs. It does not support NVMe drives. The PCIe x8 interface is used for the card's connection to the server, not for NVMe passthrough to the M.2 slots.
Yes, the BOSS-S1 controller supports hardware RAID 1 mirroring between the two M.2 drives, providing redundancy for your server's boot volume.
It refers to the PCIe bracket height. The high-profile bracket fits standard full-height server and workstation expansion slots. A low-profile bracket variant exists for smaller chassis.
The BOSS-S1 is primarily designed for Dell PowerEdge 14th-generation (14G) servers, though compatibility can vary by specific model. Consult Dell's compatibility matrix for your server.

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