Is the PERC H755 Front a PCIe card?

No. It is a front-mount controller.

Does 405-AAXO support NVMe drives?

No. It is listed for 12/6/3Gb/s SAS and SATA.

Dell

Dell PERC H755 Front 8GB NV Cache 12Gb SAS/SATA RAID Controller

Name: Dell PERC H755 Front 8GB NV Cache 12Gb SAS/SATA RAID Controller
Brand: Dell
SKU: 405-AAXO

MPN405-AAXO

Also known as P4X7G

The Dell PERC H755 Front (405-AAXO) is a front-mount 12Gb SAS and SATA RAID controller with 8GB of NV cache and a PCIe Gen4 host interface.

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Dell PERC H755 Front 8GB NV Cache 12Gb SAS/SATA RAID Controller

405-AAXO · Refurbished · 1 year warranty

Quantity (units)

Overview

Rather than sitting in a PCIe slot, the PERC H755 Front mounts at the front of the server, which is why it is listed as Front-mount. It is a SAS and SATA RAID controller, 12/6/3Gb/s, with 8GB of NV cache and RAID levels 0, 1, 5, 6, 10, 50 and 60. The Dell part number is 405-AAXO.

It connects to the host over PCIe Gen4 and offers 16 ports (2 x8 internal). The limit is 16 drives per controller, or 50 with an expander. Note that this version handles SAS and SATA only, with no NVMe support.

Compatibility is broad. Dell lists a long run of PowerEdge servers, among them the R650, R660, R750 and R760, so match your exact model first.

P4X7G is listed as an alternative part number. The H755 Front is available new, refurbished and used. New and refurbished units carry a warranty of 1 year or 3 years, and used units carry 90 days.

Specifications

Dell 405-AAXO specifications
Manufacturer part number	405-AAXO
Brand	Dell
Form factor	Front-mount
Ports	16 (2 x8 internal)
Cache	8 GB
Interface	12/6/3Gb/s SAS/SATA
Maximum drives	16 per controller, 50 with expander
RAID levels	0, 1, 5, 6, 10, 50, 60
Component type	RAID controller
Host interface	PCIe Gen4
Controller model	PERC H755 Front (SAS/SATA)
Compatible systems	Listed by Dell for PowerEdge HS5610, HS5620, R360, R450, R550, R650, R650xs, R660, R660xs, R6615, R6625, R750, R750xa, R750xs, R760, R760xs, R7615, R7625, R860, R960, T550, T560, XE9640, XR7620

Specifications from the manufacturer's datasheet ↗

Alternative part numbers

Other numbers for 405-AAXO, as printed on labels, spare-parts lists and manufacturer documents. Search works with any of them.

Alternative part numbers for 405-AAXO
Part number	Type	Brand	Note
P4X7G	Alternative	Same brand	Dell manufacturer part number shown on Dell's product pageQuote this part number

Compatibility

The manufacturer lists this part for:

Listed by Dell for PowerEdge HS5610, HS5620, R360, R450, R550, R650, R650xs, R660, R660xs, R6615, R6625, R750, R750xa, R750xs, R760, R760xs, R7615, R7625, R860, R960, T550, T560, XE9640, XR7620

Not sure it fits? Add your system model to the message in your request and we will check before you order.

FAQ

Is the PERC H755 Front a PCIe card?: No. It is a front-mount controller.
Does 405-AAXO support NVMe drives?: No. It is listed for 12/6/3Gb/s SAS and SATA.
How much cache does it have?: 8GB of NV cache.
What alternative part number is listed?: P4X7G.