Condition : Brand New with 1 year limited warranty 

Compatible Mac Pro Model: Apple Mac Pro From 2006-2012 (1,1 - 5,1) 

Compatible OS X : Leopard 10.5.6 or later , macOS Sierra 10.12.x to Sonoma 14.x & Sequoia 15.x compatible (Native Support, NO Driver needed, Bootable) 

*Compatible with PPC PowerMac G5 Late 2005 (11,2) w/PCI-Express Slot (not Bootable with G5)

Specification:

2x Internal + 2x External SATA Port

Compliant with PCI Express Base Spec. Revision 2.0

Compliant with Serial ATA High Speed Serialised ATA attachment Spec. Revision 1.3

Compliant with Serial ATA III Spec. 3.0

1x PCI Express lane for 2.5 & 5GHz Signalling

Supports up to two SATA III (6.0Gbps) Storage devices *ESATA(default) or Internal SATA *jumper select

Supports native Command Queue (NCQ) 

Supports Port Multiplier 

Supports Gen. 1m & 2m SATA PHY

Support All Standard eSATA 1.0/2.0/3.0 devices