SWRA2405CKS-1W SWRA2405N-2W SWRA2405S-1WR2 SWRA2412CKS-1W SWRA2412N-2W SWRA2412S-1WR2 SWRA2415CKS-1W SWRA2415N-2W SWRA2415S-1WR2 S-WRAM