HP Media Card Reader with PCI Card Installation Manual page 25

The following media cards are vendor-tested as compatible with
the HP Media Card Reader with a card adapter.
Type
MMCMicro
Micro SD (T-Flash)
Micro SD (T-Flash)
Micro SD (T-Flash)
Micro SD (T-Flash)
Micro SD (T-Flash)
MS Micro (M2)
MS Micro (M2)
Vendor
Samsung
SanDisk
SanDisk
SanDisk
Transcend (80x)
Transcend
SONY
SONY
Capacity
512MB
256MB
512MB
2GB
512MB
1GB
512MB
1GB