Posts tagged 'RAID Controllers'

Rear view of a Dell PowerEdge server rack in a data center aisle

Dell BOSS Card Guide: BOSS-S1 vs BOSS-S2 vs BOSS-N1 and PowerEdge Compatibility

By Enterasource

August 28, 2026

A Dell BOSS card is a two-drive M.2 boot device, not a general-purpose RAID controller. This guide puts BOSS-S1, BOSS-S2 and BOSS-N1 side by side on media, RAID behaviour, placement and serviceability, and maps every PowerEdge model Dell documents against each card.

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Dell PowerEdge R740xd drive bays and backplane inside an open server chassis

Dell PowerEdge R740 & R740xd Backplane and Storage Configuration Guide

By Enterasource

July 19, 2026

The R740 and R740xd use different backplanes for SAS, SATA, and NVMe drives — and picking the wrong one is why a drive won't initialize. Here's every configuration, the Dell part numbers, and the controller that pairs with each.

Posts tagged 'RAID Controllers'

Dell BOSS Card Guide: BOSS-S1 vs BOSS-S2 vs BOSS-N1 and PowerEdge Compatibility

Dell PowerEdge R740 & R740xd Backplane and Storage Configuration Guide

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