Baie de stockage DELL Power vault MD1200

Bonjour,

svp j'ai besoin d'un Baie de stockage , j'ai consulter mes fournisseurs
1 Frs m'envoyer une offre a 3 000 Euro (dell power vault md 1200 )
2 frs m'a envoyer une autre offre a 5500 euro (dell power vault md 1200)
j'ai pas compris exactement la différence technique ente les deux offre

voila

1 offre

PowerVault MD1200 Base

PV MD1200 EMEA1 Ship and Docs No Cord

PV MD1200 Bezel
2*2TB NearLine SAS 6Gbps 7.2k 3.5" HD
2* PERC H800A Controller Card
PV MD12XX Additional Enclosure Management Module 1
2* Spare Power Cord 2M
Redundant Power Supply (2PSU) 600W
2* 2M SAS Connector External Cable
OpenManage Factory Install and DVD
No Installation Service or Customer Self Install Selected
Rapid Rack Rails for Dell or other Square Hole Rack
Power Vault Order-EDB Base Warranty

2 offre

Base:PowerVault MD1200 Base

2 x RAID or SCSI Controller Card:PERC H800A Controller Card

5 x Primary Hard Drives:1TB NearLine SAS 7.2k 3.5" hd

Power Supply:Redundant Power Supply (2 PSU) 600W
Power Cord:2 x Spare Power Cord 2F
Enclosure Management Module (EMM):PV MD12XX
Additional Enclosure ManagementModule

Front Bezel:PV MD1200 Bezel
Rack Mounting Rails:Rapid Rack Rails for Dell or
other Square HoleRack

Systems Management:OpenManage Factory Install and DVD
Shipping Documents:PV MD1200 EMEA1 Ship and Docs No Cord

Cables:2 x 1M SAS Connector External Cable

help me please