Users Guide

1. M.2 blank 2. M.2 carrier

3. BOSS-S2 module bracket 4. BOSS-S2 module

5. M.2 card 6. BOSS-S2 card

7. Signal cable 8. Power cable

9. Power cable connector 10. Signal cable connector

Technical specifications of BOSS-S2 card

The following table lists the BOSS-S2 card technical specifications:

Table 1. Technical specifications of BOSS-S2 card

Function or feature BOSS-S2 card

Hot–plug of M.2 drives Yes

LED activity of M.2 drives Yes

Controlled firmware update Yes

RAID levels RAID 1 and Non–RAID

Stripe size Supports default 64 K stripe size only

Battery backup unit No

Non–volatile cache No

Virtual disk cache function Write through

Maximum number of virtual disks 1

Maximum number of drives supported 2

Support for non–RAID disks Yes (supports up to two disks)

Drive types 6 Gbps M.2 SATA SSDs x 2

PCIe support Gen 2

Disk cache policy Drive default

TRIM Non–RAID mode

Stripe size supported 64 K

Configuration (HII) Yes

Full initialization No

Fast initialization Yes

NOTE: By default, fast initialization is performed when

you create a virtual disk.

Background initialization No

RAID 0 No

RAID 1 Yes

Single non–RAID Yes

Dual non–RAID Yes

Degraded RAID 1 and non–RAID No

Foreign import Yes

Consistency check No

Patrol read No

6 Dell Technologies Boot Optimized Storage Solution-S2